Date: 9/5/26 6:54 am From: John Rawinski <johnrawinski0...> Subject: [cobirds] Re: Clark’s Nutcrackers Alamosa
Nice report Dan. They have been especially visible in lower elevations and
around the pinyon pine zone. See my Mtn Home reports and there have been
plenty there as well.
I live in the Valley flats, about 8 miles from the nearest pinyon tree and
near Monte Vista. Yet twice last week I had small flocks of Pinyon Jays
visit my backyard trees. I have a rare source of water at my place, and it
has drawn all sorts of birds in. Also I have a pretty good seed crop of
various trees as well. To see pinyon jays this far into the Valley means
they are not finding basic needs in the foothills. We have not had
significant rain forever it seems. So it may be a combination of water and
food that they seek. Thanks for the report.
John Rawinski
Monte Vista, CO
On Sunday, August 30, 2026 at 11:06:35 AM UTC-6 <string......> wrote:
> Yesterday 8/29 I drove up the road to Zapata Falls in Alamosa County,
> looking for Pinyon Jays. Near the top, just under 9,000’ the first birds I
> saw were two Clark’s Nutcrackers, then three more, then two of them going
> at it with a Sharp-shinned Hawk…within a minute I was able to see ten in
> the air in a wide circle of view. At every pull-off I saw one or two more,
> and their raucous calls were prevalent. The Pinyon Pine cones weren’t open,
> mostly greenish and sap-covered, and the birds were landing tree-top,
> pecking them apart. The lower I drove back towards the valley floor the
> less I saw, but at my last stop at 8400’ I was surprised to count eleven. I
> hadn’t seen this concentration of Clark’s Nutcrackers before, perhaps food
> sources up higher are sparse. I didn’t feel like getting scolded by eBird,
> so I’ll just say here, my count, considering I saw some of the birds more
> than once, was 66.
>
> One of the Clark’s single-note calls is similar to Pinyon Jay, a fun
> challenge. I did see one small flock of about 6 PIJA.
>
> Dan Stringer
> Larkspur, CO
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Date: 9/4/26 7:23 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (04 Sep 2026) 21 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org.
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Observation start time: 08:45:00
Observation end time: 12:30:00
Total observation time: 3.75 hours
Official Counter: Ajit Antony
Observers: Kirstin Chapman, Liza Antony
Visitors:
At the parking lot when we were just getting ready to set out, at car park
next to us and it was Kirstin Chapman of her Arvada Kestrel Project who had
read our reports and wanted to come and see the migration. We showed her
how to ID TV versus RT, using the primary projection to help identify SW,
thermal formation and thermal capping clouds developing and coming in from
the West, CH versus SS, and she was interested in how we found and decided
on this site (see Site Settings in the left sidebar of Hawkcount.org for
details). She was a quick learner and good ID RT and TV over Lookout
Mountain 0.6 miles away. 2 young couples remarked on how magical this spot
was, and seeing us with binoculars, one of the women told the others of how
she likes the Merlin app so much she has become a "bird lady." One of the 4
had binoculars and I suggested that if they liked Merlin so much they
should think of going on DFO trips. Another hiker who walked up for the
second time to the top asked how many hawks we had seen and which species.
Weather:
Light wildfire smoke haze over Denver resulting in limited clear visibility
to 19 km which cleared up by 12:00 p.m. to a visibility of 39 km, light
winds from the East, no cloud cover increased to 25%.
The Soaring Forecast of the NWS predicted lift at 12 feet per second with
the height of thermals 11,645 ft AGL which was surprisingly low given the
bright sun and cloudless sky. I looked it up and found that that was
because of a capping inversion layer at 12,000 ft AGL.
Raptor Observations:
Most of the raptors flew over Lookout Mountain with a few flying through
'the gap' between it and Green Mountain, and a small number flying far to
the East and high going straight SSE through the same gap but further east,
closer to Green Mountain. The first raptor aloft was a local TV at 9:56
a.m. DST followed by a migrant RT at 9:58 a.m.. An adult GE was repeatedly
dived on by 3 local RT until it escaped to the north. The local RTs chased
or dove on many of the migrant RT and TV. In the lost 0.5 hours we had only
one migrant, though we were scanning high over Lookout Mountain and to the
east in case they were flying higher because of the height of the thermals,
but we couldn't spot any.
Non-migrant raptors: Close-up CH 2, one juvenile to the NW, and another CH
to the NE seen while we were looking at a paraglider. RT 4. TV 15.
Non-raptor Observations:
The paragliders started at 11:00 a.m. with no lift, but an hour later they
had moderately good lift.
SAPH 1, BTHU 1, BASW 1, CORA 2.
Predictions:
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny,
with a high near 87. Light and variable wind becoming east northeast 5 to 8
mph in the morning.
The winds aloft predicted by earth.nullschool.net is for light North winds
becoming Northeast which could help migrants flying south.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 9/4/26 5:17 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 9/4/26
Another hot morning, and our slowest day of the season for new birds. We
banded 20 birds, but caught another 25 that had been banded previously this
season. 20 of those were Wilson's Warblers.....when you've caught 364 in
11 days there are bound to be a bunch still around, trying to put on enough
fat to continue their journeys.
Here are the 20 new for the day:
Willow Flycatcher 1
Northern House Wren 3
Gray Catbird 1
Yellow Warbler 1
Common Yellowthroat 2
Wilson's Warbler 12
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 9/4/26 4:41 pm From: Gary Brower <grb4914...> Subject: [cobirds] Labor Day around the lake!
CoBirders,
A reminder about next Monday! And, now, it has even more importance!
W’ell be sharing our results with the Fall Count (a week early)!
------------------------------------
It’s that time again. The 7th annual Labor Day Cherry Creek SP Circumlakation! (I started this as “Let’s-get-outside-during-COVID” event, and I can’t let it go!)
This is NOT an official event by any means. It’s just an invitation to join me on a bird walk around Cherry Creek State Park (about 13 miles total). Over the last six years, we’ve tallied over 100 different species total. This weird year . . . who knows?
I'll start at the Tower Loop on September 7 at 630am, and head around the lake clockwise. That means we’re crossing the dam around 1:00pm . . . and we’ve been fortunate to get Rock Wren fairly often!
No need to RSVP, just show up!
If you have questions, email me back, or give me a text/call at 303-501-6659.
Gary Brower
Unincorporated Arapahoe County
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Date: 9/4/26 4:37 pm From: <charles......> <charlesachase3...> Subject: [cobirds] 47th Denver Fall Bird Count 11-14 September 2026
Sorry for way late notice but health and family deaths have been a plague the last few months.
Please join us on what looks to be a great fall migration season. The following areas will be counted over the weekend of 11-14 September. Please contact the leaders posted if you would like to join and help count an area. Each leader will set a meeting place and time.
Barr Lake State Park Mon 14 Sept Charlie Chase <charlesachase3...> Chatfield State Park Sat 12 Sept Joey Kellner <vireo1...> Castlewood Canyon SP Sun 13 Sept Dave Hill <davidhill2357...> Rocky Mountain Arsenal Sun 14 Sept Charlie Chase (group full) Audubon Nature Center and Roxborough Road Sat 12 Sept Bill Schreitz <flannelmoth...>
Bear Creek Lake Park Fri 11 Sept Mary Geder <mfg5000...> Cherry Creek State Park Sat 12 Sept tentatively Leader TBD contact Charlie for information.
<charlesachase3...> Denver
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Date: 9/4/26 4:19 pm From: Peter Burke <peterburke...> Subject: [cobirds] COBC is TOMORROW!
Hi everyone, I just checked the campaign website <https://charity.pledgeit.org/2026COBC> and there are 26 teams registered covering 21 Colorado counties for this year's COBC. I hope all the participants have a fun day tomorrow and I'm looking forward to reading the accounts on COBirds over the weekend!
On the fundraising front, we've raised just over $22,000 thanks in large part to the generous challenge grant that has matched every donation received to date!
Of course there is still time to donate to one or more COBC teams. Simply go to the campaign website <https://charity.pledgeit.org/2026COBC> and select DONATE.
Thanks to everyone who has supported this event!
Best regards,
Peter Burke CFO Board of Directors
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Date: 9/4/26 12:13 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report-Bird Conservancy of the Rockies-September 4, 2026
Another light north wind helped some birds to drop in today. Thirteen bird species with a first Magnolia Warbler banded for the season. *37 New Banded Birds* Wilson's Warbler- 22 MacGillivray's Warbler- 1 Orange-crowned Warbler - 1 Townsend's Warbler- 1 Magnolia Warbler- 1 Red-breasted Nuthatch- 1 N. House Wren- 2 Clay-colored Sparrow- 1 Lincoln's Sparrow- 2 Willow Flycatcher- 1 Swainson's Thrush- 1 Brown Thrasher- 2 American Robin- 1
*3 Recaptures- birds banded this season and captured another day* Wilson's Warbler- 3 (2 of these gained .2 and .6 grams and one lost .1 g)
The banding station will e open tomorrow at sunrise until @11:30 AM. If interested in visiting the ranch, please register online at www.aikenaudubon.com Please stop by and share your sightings.
Enjoy the Weekend!
Julie Shieldcastle, Bander Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 9/3/26 5:42 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (03 Sep 2026) 9 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org.
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Observation start time: 08:30:00
Observation end time: 11:00:00
Total observation time: 2.5 hours
Official Counter: Liza Antony
Observers:
Visitors:
while I was struggling up the steps with my scope one young man wanted to
know what I was doing, I told him I was looking for raptors.
Weather:
Clear blue sky with minimal clouds to the northwest of the watch. Haze
noted over downtown Denver and DIA. Visibility was 6 km at the start and
increased to 19 km. at the end of the watch.
Raptor Observations:
20 minutes after I reached the watch I saw 2 RT at the "gap"
one migrated and the second was a local. The perfectly blue sky to the east
and south of the watch made it difficult to spot raptors.
Predictions:
Mostly sunny with a high near 91F. Slight chance of showers in the
afternoon. Calm winds becoming east 5 to 9 mph in the afternoon.
========================================================================
Report submitted by Liza Antony (<liza.antony15...>)
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Date: 9/3/26 4:30 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 9/3/26
We had a quiet morning, banding 28 birds. We had a higher ratio of repeats
(14 total), including some more of the Wilson's that we banded on our huge
day on Tuesday. No new species.
We did have a nice mix of species - visitors got up close looks at 5 of our
most common warbler species along with other goodies. Here's the breakdown
on the new birds:
Western Wood-pewee 1
Least Flycatcher 1
Red-breasted Nuthatch 2
Northern House Wren 2
Gray Catbird 1
Orange-crowned Warbler 1
Yellow Warbler 3
MacGillivray's Warbler 1
Common Yellowthroat 3
Wilson's Warbler 12
Savannah Sparrow 1
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 9/3/26 12:37 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report-Bird Conservancy of The Rockies- September 3, 2026
Another quiet day, some migrants were observed by birders but not captured. A Black-and-white Warbler was north of banding station high in Cottonwood. Western tanagers and Curved-billed Thrasher were to the west eating olive fruits. The recaptures were not in as good of condition with all but one Wilson's Warbler lost a couple tenths of gram. *24 New Banded Birds* Wilson's Warbler- 10 Orange-crowned Warbler- 3 MacGillivray's Warbler-1 N. House Wren- 2 Western Wood-Pewee- 1 Warbling Vireo- 1- keyed out to an Eastern by bill measurements American Goldfinch- 1 Lincoln's Sparrow- 1 Cassin's Vireo-1 Brown Thrasher- 2 American Robin- 1
*4 Recaptures- banded during this season and captured a different day* Swainson's Thrush Wilson's Warbler- 3
The Banding Station will be open tomorrow through Saturday from sunrise until @11:30AM. If interested in visiting the ranch, Please register on the Aiken Audubon website www.aikenaudubon.com Please stop by the banding station to share your sightings. We would love to hear them. Always something interesting on the ranch to see.
Enjoy the Day,
Julie Shieldcastle, bander Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 9/3/26 11:41 am From: Paula Hansley <plhansley...> Subject: [cobirds] Olive-sided Flycatcher, Louisville
Birders, About 8:40 this morning, a juvenile Olive-sided Flycatcher was seen flycatching from a large dead cottonwood tree in Callahan Open Space adjacent to North Open Space in Louisville.
It was located NE of a dirt path that follows an irrigation ditch north from K.Helart Park and was ~ 0.3 miles from the park.
Photos to follow with eBird checklist.
Paula Hansley Boulder County
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Date: 9/2/26 7:37 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (02 Sep 2026) 13 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org.
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Observation start time: 08:15:00
Observation end time: 12:00:00
Total observation time: 3.75 hours
Official Counter: Ajit Antony
Observers:
Visitors:
4 young hikers, 1 asked if I were bird watching, and I explained. His
response was Very cool. Justin then an RT came within easy view, kiting, I
was able to show them and told them that it was hunting and that it can see
a mouse scampering on the ground from 100 feet up, which was surprising to
them.
Weather:
Slight initial haziness over downtown Denver caused by wildfire smoke. The
air to the South was grainy and hawks would disappear while watching them
through my binoculars. Cool breeze starting with level 3 and becoming level
4 from the East. The air was very clear. There was minimum cloud cover 5%
increasing to a maximum of only 25%. Visibility was 19 km to begin with
because of the haze and went to 39 km by the 10 MST hour.
Raptor Observations:
About 30 ft before I got to the watch I saw an RT overhead. I kept watching
it but when I got to the watch I couldn't see it against the perfectly blue
sky, so not counted. One juvenile Swainson's Hawk with a light head and
spotted lateral breast, which was originally seen over North Table
Mountain, flew through the Kestrel Channel dropping into the trees of
Lookout Mountain, wending its way gradually to the East and coming over the
Eastern slope of the mountain to migrate.
Non-migrant raptors: RT 7, TV 5.
Non-raptor Observations:
The first paraglider at 10:30 a.m. DST at no lift at all but the 4 which
came after 11:00 a.m. had excellent lift.
VGSW 1, MOCH 1, BTHU 1, WOSJ 8, STJA 11, CORA 1.
Predictions:
Sunny, with a high near 89. Southwest wind 5 to 8 mph becoming northeast in
the afternoon.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 9/2/26 5:46 pm From: Nathan Pieplow <npieplow...> Subject: [cobirds] Support the Dolores Dippers in the 2026 COBC
Hi folks,
For the past few years, our team has placed second or third in the annual Colorado Birding Challenge. We had a great time in Gilpin County in 2024 and we *almost* won it all in Clear Creek County last year. This year, we are pulling out all the stops.
In my opinion, Dolores County is the best county in Colorado. As a matter of objective fact, it is the most underappreciated county, at least when it comes to birding. Birders from the Front Range don't often visit, which might have something to do with the seven-hour drive, but all seven hours are worth it.
This year we are once again bringing back our signature gimmick. *If you donate to the Dolores Dippers, you will get a bird named after you.* (How this works: we take photos of the birds we see during the Challenge and name each one after a donor, e.g., "this one looks like a Kyle." Yes, you will get a photo.)
Good luck to all the teams who will be birding less beautiful and interesting counties on Saturday for the same worthy cause!
Nathan Pieplow Boulder
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Date: 9/2/26 4:01 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 9/2/26
We came prepared for anything......Another 100+ Wilson's Warblers? A whole
bunch of the 120 from yesterday getting caught again? Instead a relatively
calm/welcome day, with "only" 44 new WIWAs and a total of 65 new birds. We
were especially surprised at the low number of recaptures - only 7 of the
120 from yesterday were caught again, suggesting that most had found
sufficient food yesterday to move on last night.
So, today we enjoyed looking at the birds and sharing them with our
visitors! (Big days are both an adrenaline rush and give us
hope......Wilson's must have had a very good breeding season......but it
reduces the opportunity to focus on each individual lovely bird.)
Here's the breakdown of today's 65 new birds:
Western Wood-pewee 1
Traill's Flycatcher 1
Western Flycatcher 1
Red-breasted Nuthatch 4
Northern House Wren 5
Swainson's Thrush 1
Gray Catbird 2 (FOS)
Orange-crowned Warbler 1
MacGillivray's Warbler 2
Common Yellowthroat 1
Wilson's Warbler 44
Song Sparrow 2
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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COBirders, We now have 22 teams signed up for the COBC on Saturday who will be birding in 19 Colorado counties. This is a great effort and I am hoping that there are still a few of you on the sidelines waiting to jump on the field!
Participating in the COBC is easy and fun! Here's a quick step-by-step for getting started.
1. Make the decision to join in the fun! 2. Visit https://charity.pledgeit.org/2026COBC and click REGISTER 3. Select the appropriate registration. For one of the four competitive categories, select team captain as either a CFO member or nonmember, or you can select Bird Your Own Way for our open category. 4. Next, enter your species and fundraising goals -- no wrong answers here! -- and then scroll down to select one of the five categories and the county you will bird in and agree to the waiver, then click Add Ticket 5. Then you'll be guided through the account setup process and you're done!
The five categories include four competitive options: The Challenge, The Green Challenge (no motorized travel), The Under-25 Challenge and new this year, The Big Sit (birding from a single location). There is also a non-competitive category, Bird Your Own Way that, like the name implies, has neither rules nor prizes :)
Every participant will select a team name and be assigned a Team Fundraiser Page. You can share the link to this page with your friends, family and on social media to receive support in the form of a one-time donation or a pledge for an amount for each species of bird you or your team identifies on Saturday.
As an added bonus, *EVERY DONATION RECEIVED WILL BE DOUBLED* until we reach $10,000 thanks to a very generous gift from a CFO member!
I hope you will decide to join us on Saturday for a fun birding adventure that will also benefit CFO's programs and conservation efforts plus generate useful eBird data detailing the status and distribution of birds in Colorado!
Good birding,
Peter Burke CFO Board of Directors
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Date: 9/2/26 12:19 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report-Bird Conservancy of The Rockies- September 2, 2026
A light north wind improved the numbers at the olive grove today. Barr Lake sure is attracting the Wilson's Warblers- nice job Barr Lake Banding station! Green-tailed Towhee was new for the season. Fourteen bird species were captured today. *31 New Banded Birds* Wilson's Warbler- 15 MacGillivray's Warbler- 1 Orange-crowned Warbler- 1 Western Wood-Pewee- 1 Western Flycatcher- 1 Willow Flycatcher- 1 N. House Wren- 2 Green-tailed Towhee- 1 Lincoln's Sparrow- 2 Western Tanager- 1 Swainson's Thrush- 1 Gray Catbird- 1 Brown Thrasher- 2 American Robin- 1
*2 Recaptures- neither bird gained weight from banding date* Brown Thrasher- 2
The Banding Station will be open tomorrow from sunrise until @11:30AM. If interested in visiting the ranch, Please register online at www.aikenaudubon.com Stop by the station and share your sightings.
Enjoy the Day!
Julie Shieldcastle Bander, Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 9/2/26 11:20 am From: Peter Burke <peterburke...> Subject: [cobirds] How to report your COBC team's total species count
Hi everyone,
To report your COBC team's toal, please submit an eBird Trip Report to <cobc...> by 5PM on Sunday, Sept. 6.
I suggest creating the trip report in advance so you can use it to track your species total throughout the day.
To generate an eBird Trip Report:
1. Log in to your eBird account and go to ebird.org/mytripreports. 2. Select "Create Trip Report." 3. Enter a name (e.g., "Washington Wallopers Official COBC Total for Washington County"). 4. Set the start date to September 5 at 12:00 AM and the end date to September 5 at 11:59 PM. 5. Set the visibility to "Public" and click "Create Trip Report."
Every checklist you submit on Saturday will automatically populate this report. Please note that the checklists must be under the same account that creates the trip report. The simplest approach is to designate one person to handle all checklists and create the report. Alternatively, as long as checklists are shared and accepted by everyone on the team, anyone can create it.
*If you haven't already, please share your team's fundraising page with your personal networks...family, friends, social media. CFO received a generous challenge grant that will match any donations you receive up to $10,000 this year! We still need about $3,000 in donations to maximize this gift, so your support is needed!*
Best regards, Peter Burke, CFO Board of Directors
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Date: 9/2/26 9:44 am From: linda purcell <linpurcellzz...> Subject: [cobirds] mississippi kite Park Hill Park
per the Bar charts, first observation of Mississippi Kite at Park Hill Park. this morning, circling over east side. Fairfax St. bird, perhaps? but exciting to see at PHP!!!! I did search the bar chart for dates when this was a golf course and no sightings were listed.
observed by me and Jeff D, who got the ID.
Linda Purcell Denver,
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Date: 9/1/26 5:52 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (01 Sep 2026) 14 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org.
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Observation start time: 08:30:00
Observation end time: 13:00:00
Total observation time: 4.5 hours
Official Counter: Ajit Antony
Observers: Liza Antony
Visitors:
3 hikers asked what we were doing, but weren't interested and asking any
more questions.
Weather:
Cool and pleasant after the rain last evening, which wasn't a front going
through but a "monsoonal moisture plume" which is a narrow stream of humid
subtropical air flowing from south and east. As a result there was an
overcast sky initially gradually improving. Cirrus, alto- and
strato-cumulus clouds. A slight haziness around Denver probably because of
residual moisture in the air. Very clear air today, so the sun felt very
hot. Light winds from the East.
Raptor Observations:
The first raptor was a migrant OS at 9:45 a.m. DST, with another OS at a
different location migrating in a different direction 4 minutes later. 22
minutes later two more OS seen migrating together. A 5th OS at a great
height and a great distance in the 11:00 MST hour migrating. In the same
hour I was observing a distant hawk when I saw a shadow passing near using
my peripheral vision, and it turned out to be an adult Swainson's Hawk
which joined another one and they migrated together.
Non-migrant raptors: from yesterday we began counting RT and TV hourly and
selecting the highest number seen in any hour as we were enumerating too
many of them probably from repeat observations over Lookout Mountain. RT 7
with one tail-chasing a CORA, TV 13 including a group of 3 with one diving
frequently on another, CH 1.
Non-raptor Observations:
Paragliders 9, starting 10:30 a.m. with excellent lift going very high. The
Soaring Forecast of the NWS predicted lift at 10 ft per second but
surprisingly the height of thermals was only 9,449 ft above ground level. I
looked it up and the reason is that the wet ground from the rain yesterday
would not heat up, as well as the rain could cause a layer of cool air at
ground level as well as a subsidence inversion layer aloft limiting the
height of thermals.
BGGN 1, WTSW 15, VGSW 5, WOSJ 1, GTTO 1, WEBL6, SPTO 1, HAWO 1, NOFL 1,
BTHU3.
Predictions:
Mostly sunny, with a high near 86. West wind 5 to 7 mph becoming east in
the afternoon.
The winds aloft are predicted light from the SSW changing to ESE.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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please send email to <unsubscribe...> to unsubscribe.
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Date: 9/1/26 3:47 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 9/1/26
Wilson's Warblers are having a BIG year! Banded 120 of them this morning.
You could stand near a net and watch 6 or 8 of them fly in. Or turn around
to leave and look back and see there were more. Wild!
Also caught 25 other nice birds, including a Nashville Warbler, the first
since 2021. Here's the breakdown of the 145 new birds caught today:
Mourning Dove 1
Hammond's Flycatcher 1
Western Flycatcher 1
Red-breasted Nuthatch 3
White-breasted Nuthatch 1 (FOS)
Northern House Wren 2
Orange-crowned Warbler 4
Nashville Warbler 1 (FOS)
Yellow Warbler 5
MacGillivray's Warbler 2
Common Yellowthroat 4
Wilson's Warbler 120
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 9/1/26 12:00 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report-Bird Conservancy of The Rockies- September 1, 2026
The first day of September proved to be a slow, quiet day in the olive grove. We did catch a Warbling Vireo. Measurements did not identify it as an Eastern or Western Warbling Vireo. It would not sing for us! That would have been helpful. So it had to be recorded as Unknown Warbling Vireo. We did take tail feathers and measurements that DNA could be used to hopefully in the future be able to ID them to Western or Eastern in the hand. *12 New Banded Birds* Wilson's Warbler- 4 Lesser Golfinch- 1 Western Wood-pewee- 3 Dusky Flycatcher- 1 Red-breasted Nuthatch- 1 Warbling Vireo- 1 Brown Thrasher- 1
*2 Recaptures- other gained weight since day banded* Gray Catbird- gained 4 grams since it was banded on 8/26 Northern Mockingbird- gained a gram since banded on 8/29
The Banding station will e open tomorrow through Saturday from Sunrise until @ 11:30AM. If interested in visiting the ranch, please register on the Aiken Audubon Website www.aikenaudubon.com
Enjoy the Day,
Julie Shieldcastle Chico Basin Ranch, Bander Bird Conservancy of the Rockies
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Date: 9/1/26 11:25 am From: rtrinkner via Colorado Birds <cobirds...> Subject: [cobirds] Yearbirder v.2: Recordings and Community Sightings
Hi folks,
I’ve spent four months improving Yearbirder to respond to your comments, add features, and polish the app. The result is Yearbirder 2.14, now available at https://yearbirder.org <http://yearbirder.org/>. As usual, Yearbirder is a free, open-source app.
If you missed my introduction of Yearbirder in May, here’s the recap: Yearbirder is a free desktop app that lets you explore your personal eBird sightings through sortable lists, charts, graphs, and interactive maps — all filtered any way you choose. If you're a photographer or recordist, it also organizes your bird photos and recordings alongside your sightings, so you can browse, rate, and map them the way a birder thinks.
Four key new features since May:
1. Community Sightings. Yearbirder now lets you explore what the eBird community is seeing, with hotspot maps, notable sightings lists, and all-community sightings lists. Each of these lists also shows which species would be life, country, state, county, and year birds for you. I find these maps and reports really helpful for planning my next outing.
2. Recordings. Yearbirder now lets you import your WAV recordings and then sort and filter them by species, family, order, location, and date, in addition to filters for recording properties, like duration, sample rate, bit depth, channels, and recording device. Recording birds is a new hobby for me, and I’ve spent a few months polishing this new feature of the app to be as robust as the photography feature.
3. Media caching. Yearbirder can now display galleries of photos and recording spectrograms nearly instantaneously as a result of a media caching system. Even if you have thousands of photos, now you can see a grid display of, say, all your Spizella sparrows photographed in Colorado — within a second.
4. Vastly improved media importing. Yearbirder uses the date and time embedded in your photo and recording files to match them to a checklist automatically. If your media file names include the species name in any form, the app should be able to match them. Yearbirder now checks the file name against the species' eBird code, banding code, common name, and scientific name — plus a fallback for the intuitive-but-wrong four-letter codes many of us type. For most media, now you should only need to click OK to import the file. This is way faster and more reliable than with version 1 of the app.
Yearbirder currently runs on macOS (Apple Silicon) and Windows 10 and 11 (64-bit). Windows ARM machines run it under emulation, and some features will feel a little slow. You can run it from source on Linux. If you need a version for a different platform, like macOS Intel, let me know and I'll consider building it.
If you use Yearbirder, I'd greatly appreciate hearing from you — please drop me an email at <rtrinkner...> I'd especially welcome thoughts on the new recordings feature, as I'm new to the recordists' world.
Good birding,
Richard Trinkner
Boulder
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Date: 9/1/26 11:06 am From: DAVID A LEATHERMAN <daleatherman...> Subject: [cobirds] migration activity near Fort Collins (Larimer)
It has been hard to miss animal migration in the Fort Collins area of late.
The CSU students are back in force. The streets are full of cars with 100K on their odometers. The bars and downtown sidewalks are great places to observe "Amateur Hour", as the restaurant staffers refer to it.
Sunday August 30th at Grandview Cemetery, Wilson's Warblers, Townsend's Warblers, Western Wood-Pewees, a few unidentified empids, a flock of 45 Chipping Sparrows (mostly immatures), an Olive-sided Flycatcher, a couple Western Tanagers, a heard-only grosbeak, recently fledged Barn Swallows and Broad-tailed Hummingbirds, all screamed, "We're migrating!" or "We're about to migrate for the first time, can't wait".
Back at Grandview Cemetery yesterday, my mission was photographing Townsend's Warbler and Hammond's Flycatcher (which I was all but certain one of yesterday's empids was). No luck. But I did see more migrants: Orange-crowned Warbler exploring weeds enhanced by the ditch company's channelizing of the ditch (and rape of the bank) last spring, juvenile Spotted Towhee, more Wilson's Warblers (eliciting the beginnings of that old feeling I get every fall when they become so numerous you wish to suspend them in an aerial "penalty box" just to reveal what else is out there), more Western Tanagers, one Black-headed Grosbeak, a female MacGillivray's Warbler and a Say's Phoebe. 60ish Canada Geese migrated at 0.1 mph from the cemetery across Laporte Avenue to eat and fight over apples. I had never seen that before.
[cid:<image002.jpg...>]
Yesterday, as I ate my lunch in the parking lot next to Subway on North College Avenue, a golden-mantled ground-squirrel caught my eye. This denizen of the lower mountains was out of place, to be sure. It explored under the Subway dumpster, then bee-lined straight for my car and appeared underneath my driver's-side window. Then it zoomed straight over to another lone car parked 50 yards to my east. As I tried for a photo, it went up from the car underside into the engine compartment. And then the car drove off, without the ground-squirrel dropping down. My guess is the rodent migrated/hitch-hiked into town in the first place on a car that had been in Poudre Canyon, and then continued it's urban adventure on another.
[cid:<image001.jpg...>]
At the Hamilton Reservoir Overlook north of Wellington, little birds on migration came across the water n to s in reverse of the way they must over the Gulf of Mexico in spring yearning for sight of the Texas coast. The ones I could identify were all Chipping Sparrows and Wilson's Warblers. Every tree and bush near the Overlook had a migrant or two in it.
I drove my shrike route east of Highway 85 ne of Nunn in hopes of seeing evidence of a second-nesting and some fresh impaling activity. The Pawnee is as green as I have seen it in years. The playas are full. While I saw no shrikes or recent prey displays on the wires, I saw plenty of interesting migrants on the wires and in the available vegetation! The four-winged saltbushes were full of common species in amazing numbers for the prairie. Mostly it was Wilson's Warblers (100+), but there were a few Townsend's Warblers (including one Tony would call "spanky"), Chipping Sparrows, Brewer's Sparrows, Vesper Sparrows, a Lincoln's Sparrow, at least three Hammond's Flycatchers, a Western Wood-Pewee, multiple Sage Thrashers (mostly immatures), a Say's Phoebe and my first Merlin of the season at low elevation.
[cid:<image003.jpg...>] [cid:<image004.jpg...>] [cid:<image005.jpg...>]
From left to right: bright male Townsend's Warbler, Wilson's Warbler and Hammond's Flycatcher (note: bullish head, mostly dark beak, gray head-green back-pale yellow undersides, long primary extension, teardrop eyering).
On Weld CR114 a mile or so east of US85, water is across the road (but drivable). Migrant Killdeers, Greater Yellowlegs and Solitary Sandpipers all frolicked in good numbers.
It has been a great couple of days, thanks for migration, to see changes in my normal patches. As I wrote in my journal this morning, I heard a familiar call but one that was not normal for the apartment complex. It was a Woodhouse's Scrub-Jay, only the second at this location in 30 years (the first was 12 September 2005). Stuff happens. Corvids disperse in autumn. This one must have been waiting for us to turn the calendar to September and it be legal to roam. Overhead I heard a migrating Chimney Swift and an elevational-migrant Red-breasted Nuthatch.
Let's rejoice in the fact Earth isn't completely screwed up and migrations still happen.
Dave Leatherman
Fort Collins
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Date: 8/31/26 8:41 pm From: Jack Bushong <jcbushong01...> Subject: [cobirds] RIVOLI'S HUMMINGBIRD, Summit County
Hi all,
Late this evening, I photographed a female Rivoli's Hummingbird at a private residence in Frisco (Summit County). The bird was only present for a few minutes and departed shortly after; it did not return in the remaining time I was there. List with back-of-camera photos here: eBird Checklist - 31 Aug 2026 - Bills Ranch Area - 19 species (+1 other taxa) <https://ebird.org/checklist/S388754734>.
Regarding viewing: the feeders are on a private deck at Mountainside Condos. The feeders are easily seen from the public road at (39.568260, -106.092016) with binoculars. Please stay on the road and off the lawn, walkways, and the complex parking lot of Mountainside Condos, which is private. Please also be mindful of the people living here: keep binoculars on the feeder, keep voices down, and be aware that these are people's homes. The residents have not invited anyone onto the property, so viewing depends entirely on birders being unobtrusive and respectful. Thank you!
Good birding, Jack Bushong
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Date: 8/31/26 5:08 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (31 Aug 2026) 25 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org.
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 31, 2026
-------------------------------------------------------------------
Observation start time: 08:30:00
Observation end time: 13:00:00
Total observation time: 4.5 hours
Official Counter: Ajit Antony
Observers: Liza Antony
Visitors:
2 hikers asked what we were looking for.
Weather:
No smoke today over Denver, but there was a very mild haziness all over,
even though the visibility was clear to DIA 39 km/25 miles.Completely
overcast for most of the day with low stratus clouds, beautiful ground
glass appearance perfect for finding hawks against.
Raptor Observations:
The first migrants were an RT ie diving onto a TV over the second antenna
from the left on Lookout Mountain, and both migrated. In the 9:00 MST hour
we saw an OS over North Table Mountain and once it went South of South
Table Mountain against the trees and houses of Lakewood, we lost sight of
it, but knowing that flight path and knowing that it would lose lift, we
scanned the area at the base of the north end of Lookout Mountain where we
found it, where it used the ridge lift and thermals to soar and fly SSE
just west of Green Mountain. In the 11:00 hour we saw 2 juvenile CH over
North Table Mountain chasing and diving on each other repeatedly seeming to
be non-migrants, they then went north, then west, and finally went South
over Lookout Mountain taking more than 5 minutes from the time we first saw
them.
Non-migrant raptors: CH 1, SS 2, AK 1, TV 8, RT 10.
Non-raptor Observations:
The first paraglider at 10:45 a.m. DST had no lift and could not even rise
to our level, 3 at 11:30 caught thermals but got only a little higher than
our level. The Soaring Forecast had lift at 14 ft per second with the
height of thermals only 10,280 ft AGL which is only half a mile above the
watch, good for us as we would be able to find hawks at that height.
BGGN 1, WTSW 3, VGSW 2, WEBL 8, TOSO 1, WOSJ 1, WBNU 1, BTHU 2, MOCH 1,
NOFL 1, CORA 5, AMCR 1.
Predictions:
A slight chance of showers and thunderstorms between noon and 3pm. Cloudy
through mid morning, then gradual clearing, with a high near 83. Light and
variable wind becoming northeast 5 to 7 mph in the afternoon. Chance of
precipitation is 20%.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/31/26 1:57 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 8/31/26
This is my report for Sunday (today was our day off).
It was cooler yesterday, and the Wilson's Warblers were back in force. We
caught a total of 50 new birds, plus had another Yellow Warbler return - He
was banded as an adult in 2020, which makes him at least 7 years old, a
fairly long-lived YEWA (but almost a youngster compared with the 11 year
old we caught last spring at Chatfield!)
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 8/31/26 12:36 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report- Bird Conservancy of the Rockies- August 31, 2026
It is the last day of August and we had a few *early* fall migrants still meandering through. An Oriole and Cassin's Kingbird were calling early this morning. Black- headed Grosbeaks, Canyon Towhee and Lincoln's Sparrow were the first of the season banded today. Many of the species we banded today, were not heard or seen. *40 New Banded Birds* Wilson's Warbler- 8 MacGillivray's Warbler- 2 Orange-crowned Warbler- 3 Yellow Warbler- 1 Townsend's Warbler- 3 Dusky Flycatcher- 3 Western Wood-Pewee- 6 N. House Wren- 3 Lincoln's Sparrow- 1 Yellow-breasted Chat- 1 Western Tanager- 1 Canyon Towhee- 1 Black-headed Grosbeak - 2 Brown Thrasher- 2 Red-winged Blackbird- 3
*1 Return- banded last spring as an adult male* N. House Wren- bird is at least 3 years old
The Banding Station will be open tomorrow through Saturday from sunrise until @11:30 AM. Please stop by and share your sightings. If interested in visiting the Ranch, Please Register online at www.aikenaudubon.com
Enjoy the Day!
Julie Shieldcastle, Bander Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 8/31/26 8:03 am From: linda purcell <linpurcellzz...> Subject: [cobirds] Heron Ponds Open Space and Carpio-Sanguinette Park
Official Ribbon Cutting reopening set for Saturday Sept 26! great news for Denver birders and the community!
LInda Purcell Denver
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Date: 8/30/26 7:11 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (30 Aug 2026) 45 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org.
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 30, 2026
-------------------------------------------------------------------
Observation start time: 08:00:00
Observation end time: 13:00:00
Total observation time: 5 hours
Official Counter: Ajit Antony
Observers: Zak Hepler
Visitors:
A few hikers were interested in what we were doing. One Trail Runner
shouted Hi hawkman, I saw you yesterday, and he ran down the steps. Zak
interacted with the hikers very well and answered their questions. A
5-year-old girl came up and said to her mother I wish we had a telescope to
see things (she knew more than many adults, who think my scope is a
camera), then said I wish we had binoculars. I could do no less than offer
her my binoculars to look through.
Weather:
The first day we've had in August without any smoke haze over Denver,
Denver International Airport to the east and Mount Blue Sky to the west
both at 39 km/25 miles were easily visible. Extensive cloud cover though
mostly altoccumulus and usual cumulus developing in the west and moving
eastward by the afternoon. In the beginning of the 11:00 o'clock MST hour
there were only a few drops of rain, and increasingly dark clouds to the
West. At 1:55 p.m. DST I could see rain falling to the West and it kept
getting closer, and when it began drizzling I decided to leave.There were
50 lightning strikes 20 mi WNW. It began raining on my way down. I was
almost all the way down when the rain stopped and I briefly thought of
going back up, but the dark clouds to the west and extensive rain falling
from the clouds there changed my decision.
Raptor Observations:
Zak found the first migrant raptors which were 3 swainson's Hawk to the NE
below us, directly over the windsock, just at the edge of North Table
Mountain, somewhat difficult to see and follow. Right after that there were
2 more SW and 2 RT which migrated, while I was following the original 3
which were far ahead of the others - a big advantage having two of us
observing. The resident RT on Lookout Mountain repeatedly dove on the SW.
The adult GE had molting secondaries and primaries.
Many of the migrant raptors were seeing initially fairly high above the
horizon going directly to the SSE, while the rest to a scene around the
antenna on the east of Lookout Mountain, either flying SSE or going across
Lookout Mountain toward the SSW or SW.
Non-migrant raptor sightings: CH 3 juvenile, two of them were seen over
North Table Mountain and they dove on each other repeatedly, flew together
making a squeaky whistling sound that never heard before, which I found on
the Peterson website associated with Nathan Pieplow's Peterson's Field
Guide to Bird Sounds of Western North America, which he designates
'juvenile squeal.' The other juvenile CH flew South along the Kestrel
Channel, came back and dove straight at us landing in back of a bush only
12 ft from us and a little below us, and within 30 seconds flying off
without anything in its talons. Evidently only 20-30% of their hunting
forays are successful. RT 16. TV 7, 6 of which were roused by a migrating
RT from one of the antenna they were perched on, by diving very close to
them.
Non-raptor Observations:
CONI 1, WOSJ 1, MOCH 3, WTSW 2, NOFL 2, VGSW 13, WBNU 1, RBNU 1, WEBL 3,
SPTO 1, WEKI 1, BTHU 3, AMCR 2, CORA 5, GTTO 1, SAPH 1.
I have noticed that while most weather comes from west to east, storms that
start in the west seem to go to the NW and the SW of the hawk watch,
fortunately bypassing us.
Predictions:
A chance of showers and thunderstorms, mostly cloudy, with a high near 80.
Light and variable wind becoming east 5 to 7 mph in the afternoon.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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We had an enjoyable first week of banding at Chatfield with the birds
coming in at a slow but steady pace. We banded 61 new birds of 18 species
and had the pleasure of capturing 17 birds that had been banded in previous
seasons. Some of our highlights were an adult male American Redstart, a
Northern Waterthrush, and an unusually light-colored Black-capped Chickadee
(possible partial leucism/melanin deficiency).
Our new birds were:
American Goldfinch 2
American Redstart 1
American Robin 2
Black-capped Chickadee 2
Blue-gray Gnatcatcher 2
Dusky Flycatcher 1
Gray Catbird 9
House Finch 6
Lesser Goldfinch 3
Lincoln Sparrow 1
MacGillivray's Warbler 6
Northern House Wren 9
Northern Waterthrush 1
Song Sparrow 2
Spotted Towhee 3
Western Flycatcher 1
Wilson's Warbler 8
Yellow Warbler 2
Returning birds:
American Goldfinch 1
Black-capped Chickadee 5
Gray Catbird 5
Northern House Wren 2
Song Sparrow 1
Spotted Towhee 1
White-breasted Nuthatch 1
Yellow-breasted Chat 1
Audrey Hicks
Bander, Denver Audubon + Bird Conservancy of the Rockies
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Date: 8/30/26 10:06 am From: stringer.dan via Colorado Birds <cobirds...> Subject: [cobirds] Clark’s Nutcrackers Alamosa
Yesterday 8/29 I drove up the road to Zapata Falls in Alamosa County, looking for Pinyon Jays. Near the top, just under 9,000’ the first birds I saw were two Clark’s Nutcrackers, then three more, then two of them going at it with a Sharp-shinned Hawk…within a minute I was able to see ten in the air in a wide circle of view. At every pull-off I saw one or two more, and their raucous calls were prevalent. The Pinyon Pine cones weren’t open, mostly greenish and sap-covered, and the birds were landing tree-top, pecking them apart. The lower I drove back towards the valley floor the less I saw, but at my last stop at 8400’ I was surprised to count eleven. I hadn’t seen this concentration of Clark’s Nutcrackers before, perhaps food sources up higher are sparse. I didn’t feel like getting scolded by eBird, so I’ll just say here, my count, considering I saw some of the birds more than once, was 66.
One of the Clark’s single-note calls is similar to Pinyon Jay, a fun challenge. I did see one small flock of about 6 PIJA.
Dan Stringer
Larkspur, CO
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Date: 8/30/26 9:19 am From: Peter Burke <peterburke...> Subject: [cobirds] COBC and eBird
COBirders,
An added benefit from CFO's annual Colorado Birding Challenge
<https://www.cobirds.org/cobc> is the data we generate by reporting our
sightings using eBird. Documenting the status and distribution of birds
throughout the state benefits researchers, conservation efforts and
government. Last year's COBC generated over 400 eBird checklists...that
would be enough to elevate us to #4 on the list below!
[image: Screenshot 2026-08-30 at 9.41.14 AM.png]
Note that Colorado is ranked #5 for the number of eBird checklists
submitted this month in spite of being ranked 20th by population and 9th by
number of bird species (per official state bird checklist totals according
to an AI bot), so coming in 5th for eBird checklists is noteworthy. Shoutout
to Ted Floyd!
*You can contribute to this year's COBC!*
1. Form a team with one or more friends and register in one of the five
COBC categories by visiting the COBC Campaign Page
<https://charity.pledgeit.org/2026COBC> and clicking "Register." New this
year is the Big Sit category where you can choose an area like Barr Lake or
even your backyard and keep eBird checklists throughout the day!
2. Support a team with a donation or pledge by visiting the COBC Campaign
Page <https://charity.pledgeit.org/2026COBC> and clicking "Donate." You
have the option of contributing to the COBC in general, or selecting a
specific team or teams from the drop down menu!
*Donations to the COBC will be matched 100% thanks to the generosity of a
CFO member who provided a challenge grant to CFO of up to $10,000! Help us
maximize this gift by donating today!*
Good birding,
Peter Burke
CFO Board of Directors
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David Suddjian Littleton, CO [image: BIRD BOMBS 2026 Oct 15 Fall Out.png]
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Date: 8/29/26 7:47 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (29 Aug 2026) 22 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org.
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 29, 2026
-------------------------------------------------------------------
Observation start time: 08:15:00
Observation end time: 13:30:00
Total observation time: 5.25 hours
Official Counter: Ajit Antony
Observers: Liza Antony
Visitors:
Many hikers were curious and we explained what we were doing. A couple with
3 children was especially interested and wanted to know more about how
thermals form. The children wanted to know whether we could see bears, and
I said we didn't. I asked them after explaining about raptor migration,
which way did they think the raptors were migrating in this season, and one
of them pointed West. I asked him what season would come after the next
one? Their mother help them to winter. I asked what would they feed when
there's are feet of snow on the ground. One of the children volunteered
that they "build up enough stores to last all winter," and I said You're
thinking of bears. That's why raptors migrate, I explained. They wanted to
know if hawks migrate alone and I explained about the flocking behavior of
BW and SW on migration. They wanted to know how far hawks migrate to, and I
explained that BW and SW go as far as Argentina, and I showed them range
maps on the Merlin app, which of course the children were very interested
in. I showed them 2 TV high up, and 1 of them flew South and I explained
that that could be a migrant. The father said he would get the Merlin app.
We showed another couple a distant RT migrating. Another couple wanted to
know whether the we were here daily, and whether we did this " before this
time of your life," and I explained that I have been doing this for 40
years, and Liza for 11 years.
Weather:
Minimal smoke over Denver today. Mostly cloudy, but there were thin cirrus
clouds allowing hot sunshine to shine through. Later, as usual for this
site, cumulus clouds formed and increased from the West. The last 0.5 hours
had a few drops of rain.
Raptor Observations:
Today was the first day that we had more migrants flying over the horizon
with absolutely none of them flying SSE past the 2 antenna on the east end
of Lookout Mountain. This is more like the flights we had when we counted
in September in 2024.
The first local raptors were two RT diving on each other, and they
succulent flew very high already by 9:27 a.m. DST. The first migrant was an
RT at 9:44 a.m. flying over Green Mountain, but very high c. 10� AGL,
because of good lift of 18 ft per second and high thermals at 12,825 ft.
AGL, a mile above the watch, according to the Soaring Forecast of the NWS.
At 12:41 p.m. Liza found an easily visible RT over North Table Mountain,
which flew through the Kestrel Channel but a little below eye level, then
dropped against the conifers of the North face of Lookout Mountain where we
were startled to see it had a white tail! Krider's? I was able to find it
in my scope and it had the distal half of the tail dusky, a dirty looking
belly and the usual white scapulars. Since it had brown on the dorsal wings
we decided it wasn't a pure Harlan's Hawk but had Harlan's ancestry. It
rose to the top of Lookout Mountain, circled, was attacked a few times by
another RT, flew eastward for a while, and we couldn't believe it wasn't a
migrant, and finally at 12:48 p.m. it finally did, followed by the other
RT.
Non-migrant raptors: CH 1, AK 1, TV 16, RT 17.
While looking at the Kestrel Channel for any raptors, I suddenly had an
insight as to why they fly along it. Windy Saddle is the saddle between
Lookout Mountain and Mount Zion, and the prevalent late morning and
afternoon East winds originating from Denver blow through the saddle, which
kestrels and others use as a highway.
Many of the raptors took around 5 minutes gaining height and circling
around before they finally migrated, so it was good having Liza today.
Predictions:
A 50 percent chance of showers and thunderstorms after noon. Partly sunny,
with a high near 86. South wind 5 to 9 mph, with gusts as high as 15 mph.
The winds are aloft are predicted from the SW>WSW.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/29/26 5:17 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 8/29/26
First day of week 2, our slowest day of the season. (However, we are
slightly ahead of where we were on this same day in 2020, which was our
biggest year ever.)
Although Wilson's Warblers continue to drive the daily totals, the first
big wave (147 to date, all but 2 hatch year birds) seems to have passed.
Our total new birds today was 23:
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 8/29/26 3:17 pm From: Peter Burke <peterburke...> Subject: [cobirds] Colorado Birding Challenge is Taking Off!
COBirders,
As of today we have 18 teams registered for the COBC in 17 counties!
There is still time to sign up. Simply visit the *Campaign Page <https://charity.pledgeit.org/2026COBC>*, and click Register. Registration is discounted for Team Captains and free for team members. Or you can choose the Bird Your Own Way category, which is free for everyone.
Simply fill in your team name, indicate the category and county, upload some photos if you like and complete the registration and you are all set!
You can support one or more teams by visiting the *Campaign Page <https://charity.pledgeit.org/2026COBC>*, and clicking Donate. You will have the choice of making a general donation or contributing to a specific team(s).
*ALL DONATIONS WILL BE MATCHED 100% UP TO $10,000 THANKS TO A VERY GENEROUS DONATION, SO PLEASE CONSIDER DONATING TODAY!Good birding,Peter BurkeCFO Board of Directors*
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Date: 8/29/26 11:57 am From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report- August 29, 2026
Another quiet day of birds on the Ranch. We had some quality, regardless of not much quantity. First of the season birds were Common Yellowthroat and Olive-sided Flycatcher. Anyone ever observing an Olive-sided Flycatcher up close would say Wow! what a beak on that bird! The better to catch insects with my dear! *16 New Banded Birds* Wilson's Warbler- 1 Yellow Warbler- 1 Common Yellowthroat- 1 N. House Wren- 1 Western Wood-Pewee- 2 Least Flycatcher- 1 Olive-sided Flycatcher- 1 Western Tanager- 1 Gray Catbird- 2 Yellow-breasted Chat- 1 Red-breasted Nuthatch- 2 Brown Thrasher- 2
*3 Recaptures* Gray Catbird- gained wt. from original banding date Western Flycatcher- gained wt from original banding date N. House Wren- stayed the same wt.
The banding station will be closed tomorrow and reopen on Monday at sunrise. You may visit the ranch tomorrow by registering online at Aiken Audubon website www.aikenaudubon.com Hoping for a good migration wind to blow next week. Who knows? Only time will tell. Have a great Weekend!
Julie Shieldcastle Bander, Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 8/28/26 8:04 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (28 Aug 2026) 48 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org.
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 28, 2026
-------------------------------------------------------------------
Observation start time: 08:15:00
Observation end time: 15:00:00
Total observation time: 6.75 hours
Official Counter: Ajit Antony
Observers:
Visitors:
In the morning an older hiker ask me if I were bird watching and I
explained what I was looking for. He wanted to know if I was a professor
here. I said I am a retired urologist and I counted migrant hawks even
while I was working, even in the pre-cell phone era carrying a pager! He
said a bird would call outside his window and he did not know what it was
for years, and finally he was able to figure out it was a black capped
chickadee using the birdnet app. I told him about Merlin, and he put it on
his phone. I explained what the scope does for me, and let him look at one
of the antenna through it.
A young woman said Pretty cool when I told her what I was doing.
As I was shouldering my backpack to leave 3 young men came up and of course
wanted to know what I was doing. They were from Ramsey New Jersey which is
only 45 minutes from where I used to live in NY. Two of them were visiting
the one who lives now in Denver. When I explained, they could not believe
that raptors migrated as far as Argentina. I showed them the range map. And
back in spring as well, I told them. They had innumerable questions such as
can I make out all the 16 species we can see here? I said I wouldn't be
here if I couldn't! They want to know the fastest raptors. PG and GE in a
stoop. One of them noticed a raptor easily visible in flight. I was able to
show them the white translucent windows of a juvenile RT. 15 minutes later
I was finally able to leave. They wanted a photograph with me and asked 2
others who were up there to take a picture. One of them said to make us
smile "Say red-tailed hawk," having listened to my conversation with the 3
men, he admitted.
Weather:
The by now usual wildfire smoke over Denver but not over the horizon. It
was cool when the wind blew, and sweaty and hot when it did not. There was
a large cloud to the east and south temporarily and intermittently blocking
off the Sun.At different times during the day there was virga in many
different. I heard thunder from the South and it was around 10 mi away past
the watch. There was 5 minutes of light drizzle at the beginning of the
11:00 MST hour and a few drops 2 hours later. Rain that was initially
predicted for noon did not show up at all in any significance.
Raptor Observations:
The first raptor found was a migrant below the crest of Green Mountain,
while I was looking at 2 CORA, followed by 2 more along the same flight
channel 1 and 4 minutes later. Green Mountain north end is 3.6 miles from
this watch, and it is fortunate that it is treeless, with a smooth looking
warm brown color of mainly grassland with scattered groups of shrubs, not
that it's really easy finding raptors that distant against the face of the
mountain, but is far preferable to trying to find them against the trees
and houses between the watch and Denver.
A majority of the migrants were found somewhere in relation to Lookout
Mountain, especially the east end with the antennae. Some were found flying
either over Green Mountain or west of Green Mountain which would be over
the Dinosaur Ridge hawk watch which we cannot see from this location
because of Lookout Mountain. A CH was fortuitously discovered west of the
West-most antenna on Lookout Mountain while I was looking at 2 TV.
Non-migrant raptors: RT mainly in groups of 2, 3, 4 a total of 12, with
pairs of them chasing each other; TV 16 including 14 at one time with two
RT over Lookout Mountain, none of whom turn out to be migrants after
watching them for 10 minutes though some of them seem to fly in the right
direction before turning around.
The last 0.5 hours was the only time period without any migrants, until the
last 4 minutes when 2 TV went through.
The flight paths I could see today were just east of Lookout Mountain,
around the easternmost 2 antenna on Lookout Mountain going directly SSE,
from the same location going towards the SSW/SW flying over most of Lookout
Mountain, and either over Green Mountain or just west of Green Mountain
i.e. over the location of the Dinosaur Ridge Hawk Watch.
Non-raptor Observations:
BGGN 1, ROWR 1, BTHU 1, WEBL 1, GTTO 1, RBNU 1, WTSW 3, MOCH 1, SPTO 1,
WBNU 1 interior West subspecies.
Two young women hikers found elk in a clearing on Lookout Mountain and
showed us. There were 5. Of course, they wanted to know whether I was a
researcher, and I explained.
Predictions:
A 20 percent chance of showers and thunderstorms before 7pm. Mostly cloudy,
with a low around 66. West wind 5 to 8 mph. The winds aloft are predicted
to be light from the WNW>NW>S.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/28/26 5:31 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 8/28/26
Today was the slowest day of our first week. Our daily totals have pretty
much been driven by Wilson's Warblers and, to a lesser extent, Yellows and
House Wrens, all of which were down today. It seemed like the hottest and
most humid morning we've had. Tomorrow is forecast to be cooler; hope that
happens!
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 8/28/26 12:23 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report- August 28, 2026
A quiet day at the banding station. The new species for the season was an adult Lazuli Bunting. She had a dried up brood patch so I was glad to see she was successful in nesting. There was a Western Tanager singing early and a Red-headed Woodpecker called near the banding station as well. *23 New Banded Birds* Wilson's Warbler- 7 Orange-crowned Warbler- 2 N. Yellow Warbler- 1 MacGillivray's Warbler- 2 Western Flycatcher- 1 Western Wood-Pewee- 1 Willow Flycatcher- 1 N. House Wren- 1 Lesser Goldfinch- 1 Chipping Sparrow- 1 Lazuli Bunting- 1 Swainson's Thrush- 1 Gray Catbird- 2 Brown Thrasher- 1
*6 Recaptures- All gained weight from their original banding date* Wilson's Warbler- 2 N. House Wren Gray Catbird- gained almost 3 grams since yesterday! Brown Thrasher Red-breasted Nuthatch
The Banding station will be open tomorrow at sunrise until @11:30 AM. If interested in visiting the banding station, please register on the Aiken Audubon website www.aikenaudubon.com.
Enjoy the Day!
Julie Shieldcastle Chico Basin Ranch, Bander Bird Conservancy of the Rockies
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Date: 8/28/26 6:59 am From: David Suddjian <dsuddjian...> Subject: Re: [cobirds] Basin Ranch Banding Station
Note that this post was sent to the list *Aug 25*, not today Aug 28.
David Sudjian
list moderator
On Fri, Aug 28, 2026 at 7:57 AM Robert Yow <robertyow052...> wrote:
>
> The first full day of banding and guess what?! The Wilson's Warbler are
> migrating through! Fourteen bird species and eight new species of the
> season (Dusky and Hammond's Flycatcher, American Redstart, Yellow-breasted
> Chat, American Goldfinch, Red-breasted Nuthatch, Gray Catbird, and Northern
> Mockingbird). The hummingbirds were thick at the station more numerous than
> yesterday. Several adult male Black-chinned Hummingbirds were guarding
> their food source.
>
> 63 New Banded Birds
> Wilson's Warbler- 29
> N. Yellow Warbler- 7
> Orange-crowned Warbler- 4
> MacGillivray's Warbler- 2
> American Redstart- 1
> Dusky Flycatcher- 3
> Hammond's Flycatcher- 1
> Western Wood-pewee- 3
> Northern House Wren- 7
> American Goldfinch- 1
> Red-breasted Nuthatch- 2
> Yellow-breasted Chat- 1
> Northern Mockingbird- 1
> Gray Catbird- 1
>
> 1 Recapture banded yesterday
> Wilson's Warbler - gained .2 g since yesterday
>
> The banding station will be open tomorrow @ sunrise until 11:30 AM through
> Saturday this week. If interested in visiting the ranch, please register on
> the Aiken Audubon website aikenaudubon <http://buycocaineonlinefrance.com> > Have a good day,
>
> Julie Shieldcastle, Bander
> Chico Basin Ranch
> Bird Conservancy of the Rockies
>
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Date: 8/28/26 6:57 am From: Robert Yow <robertyow052...> Subject: [cobirds] Basin Ranch Banding Station
The first full day of banding and guess what?! The Wilson's Warbler are migrating through! Fourteen bird species and eight new species of the season (Dusky and Hammond's Flycatcher, American Redstart, Yellow-breasted Chat, American Goldfinch, Red-breasted Nuthatch, Gray Catbird, and Northern Mockingbird). The hummingbirds were thick at the station more numerous than yesterday. Several adult male Black-chinned Hummingbirds were guarding their food source.
63 New Banded Birds Wilson's Warbler- 29 N. Yellow Warbler- 7 Orange-crowned Warbler- 4 MacGillivray's Warbler- 2 American Redstart- 1 Dusky Flycatcher- 3 Hammond's Flycatcher- 1 Western Wood-pewee- 3 Northern House Wren- 7 American Goldfinch- 1 Red-breasted Nuthatch- 2 Yellow-breasted Chat- 1 Northern Mockingbird- 1 Gray Catbird- 1
1 Recapture banded yesterday Wilson's Warbler - gained .2 g since yesterday
The banding station will be open tomorrow @ sunrise until 11:30 AM through Saturday this week. If interested in visiting the ranch, please register on the Aiken Audubon website aikenaudubon <http://buycocaineonlinefrance.com> Have a good day,
Julie Shieldcastle, Bander Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 8/27/26 4:49 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (27 Aug 2026) 10 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 27, 2026
-------------------------------------------------------------------
Observation start time: 08:30:00
Observation end time: 10:30:00
Total observation time: 2 hours
Official Counter: Liza Antony
Observers:
Visitors:
None
Weather:
Smoke from wildfires obscured visibility to the north, west and south,
fortunately Lookout mtn. was clear.
cloud cover was 20% mainly to the west of the watch at the start of the
count and increased to 70% by the end of the watch when it started raining.
Winds were from the NE at the start of the count and changed to ENE to East
at the end of the watch.
Raptor Observations:
As noted previously by Ajit most of the raptor activity was at the eastern
end of lookout mountain or between Lookout Mountain and Green Mountain. The
first non-migrant raptors seen at 9 MST were 3 TV's with a migrating adult
BE.Other non-migrating raptors included 2 RT and a female AK.
Non-raptor Observations:
No paragliders noted. When I got to the watch a young man with a guitar and
some other equipment was sitting on my preferred rock and singing softly.
Fortunately for me he finished recording and left after half an hour.
Not many visitors and none interested in raptors. Other birds seen included
1 PYNU,2 BTHU, 1 WEBL, 1 BGGN, 1 AMCR
2 STJA, 1 SPTO
Predictions:
A 30% chance of showers and thunderstorms after noon. Mostly sunny with a
high near 93. Wind six to 10 mph becoming east in the afternoon.
========================================================================
Report submitted by Liza Antony (<liza.antony15...>)
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Date: 8/27/26 3:16 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 8/27/26
Wilson's Warblers are driving the number of birds caught, and keeping the
total number of birds unusually high in the early days of this season.
Another good day, with 52 birds banded. I should note that we also caught
our second return Yellow Warbler - a bird banded in a prior year (2023).
Finally, we had a whopping 23 repeats - birds caught previously this season
(mostly WIWAs and YEWAs). So, the total birds caught today was 76 - three
cheers for our volunteers who spend the morning getting birds out of the
nets!!
Here's the breakdown of today's new and returned birds:
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 8/27/26 12:39 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report- August 27, 2026
Today, species diversity at the station was good. Twenty-three species banded with seven new species for the season. Those included: Least Flycatcher, Swainson's Thrush, Spotted Towhee, Red-winged Blackbird, Bullock's Oriole, Clay-colored Sparrow, and Ladder-backed Woodpecker. The Oriole was a surprise since most all should be farther south on their way to Central America. Once again the migrant recaptures today gained at least a half a gram each. Plenty of insect food available for them.
*49 New Banded Birds* N. Yellow Warbler- 7 Wilson's Warbler- 10 Orange-crowned Warbler- 1 MacGillivray's Warbler- 2 N. House Wren- 4 Least Flycatcher- 1 Dusky Flycatcher- 1 Western Flycatcher- 2 Western Wood-Pewee- 1 Willow Flycatcher- 1 Clay-colored Sparrow- 1 Red-breasted Nuthatch- 1 Cassin's Vireo- 1 Swainson's Thrush- 2 Yellow-breasted Chat- 2 Spotted Towhee- 2 Gray Catbird- 1 Northern Mockingbird- 1 Bullock's Oriole- 1 Ladder-backed Woodpecker- 1 Red-winged Blackbird- 3 American Robin- 2 Brown Thrasher- 1
*Recaptures (banded this season and caught a different day)* Wilson's Warbler- 2 Willow Flycatcher Red-breasted Nuthatch
The Banding station will be open tomorrow through Saturday from sunrise until @ 11:30AM. Stop by the banding station to share your sightings. Please register online at the Aiken Audubon website www.aikenaudubon.com if interested in visiting the ranch. Have a good day,
Julie Shieldcastle, bander Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 8/27/26 7:23 am From: David Tønnessen <davidtonnessenx...> Subject: [cobirds] Red Phalarope, Cherry Creek State Park
Hey folks,
I am currently watching a juvenile Red Phalarope off of Pelican Point at
Cherry Creek State Park.
All three phalarope species are present here, and if you look for this
bird, look for a phalarope that looks much like Merlin's "nonbreeding
adult" but with some buff color on the sides of its neck. Crucially, look
for a bird with a slightly stouter bill and a pale base, foraging mostly
with the Red-necked Phalaropes.
Finally, beware that with the storms last night, getting to the point
closest to the shorebirds now requires some walking through waterlogged
areas.
Cheers,
David Tønnessen
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Date: 8/26/26 7:56 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (26 Aug 2026) 36 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 26, 2026
-------------------------------------------------------------------
Observation start time: 07:45:00
Observation end time: 13:00:00
Total observation time: 5.25 hours
Official Counter: Ajit Antony
Observers:
Visitors:
An older hiker talked with me about what I was doing. He saw a bird on a
juniper and asked whether it was a cowbird. It was a Western Bluebird. He
said he had the Merlin app when I told him about it, but he was never able
to take any pictures to send for ID. I told him about the sound ID feature
of the app and told him how to access it. He asked about DFO, though he
mangled the letters. I told him that DFO has 3-5 bird trips a week, and
beginners were welcome.
A couple Jen and Craig came by and talked raptor migration with me for a
long time who had " chanced on" the Pack Monadnock Hawk Watch in NH, and it
also been to Cape May in fall. I told them about Hawkcount where they can
see for example the huge numbers of Mississippi Kite going past Veracruz. I
was able to show them a easily visible close CH.
Weather:
Much more smoke from wildfires over Denver compared to the last few days.
Light winds from the NNW>NE, no cloud cover initially but gradually
increasing, and by 10:00 a.m. DST they were many small puffy clouds topping
thermals between SW and S which became larger and came eastward. At 1:45
p.m. DST there was a light drizzle, the rain and thunderstorms which were
expected at 3:00 p.m. so I left.
Raptor Observations:
The best day this season. I wonder whether it was because of the
north-based winds aloft. As soon as I got to the watch and before I even
unpacked, I could see a bird against the conifers of the North face of
Lookout Mountain which turned out to be an adult male NH in some molt. The
single Swainson's Hawk had a faint pinkish hue to its tail backlit when
seen from below, and I initially thought FH, but it had no flashes on its
wings, nor did it have any white scapulars, but it had dark flight feathers
dorsally compared to the coverts. I also saw an Osprey which came up out of
Clear Creek Canyon to just to the north, flew a little higher than eye
level, made its way to the SE where it was attacked by an RT eventually
turning SSE over Green Mountain to migrate.
Since Denver produces a lot of heat which rises, I wonder whether this
could give a boost to raptors which fly over Denver, since there are trees
both to the north as well as the South where there isn't much lift. I was
reminded of Hook Mountain in New York where there was a stone quarry 10 mi
to the north which provided good lift. I found an RT over Denver flying SSE
but it was lost in the smoke and not counted. Then there were two TVs to
the SE of Denver at the horizon which migrated toward the SW. In the 11:00
MST hour a TV was seen just south of Denver which lost lift, I was able to
follow it with my scope until it went past Green Mountain.
Non-raptor Observations:
2 paragliders at 10:30 a.m. had no lift at all, and 4 paragliders and 1
hang glider at 11:45 a.m. had excellent lift. Interestingly the Soaring
Forecast of the NWS showed a lift of 13 ft per second with maximum height
of thermals being 8,040 ft above ground level, which is 2000 ft lower than
yesterday when the sky was full of clouds. It is probably a combination of
smoke and fine cirrus clouds dissipating the sun's heat today.
Predictions:
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny,
with a high near 88. Calm wind becoming east northeast 5 to 8 mph in the
morning.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/26/26 4:26 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 8/26/26
Far fewer Wilson's Warblers showed up today, taking our total birds for the
day down to a normal good day for Barr at this time of year. 47 new birds
banded:
Western Flycatcher 1
Black-capped Chickadee 2
Red-breasted Nuthatch 1
Northern House Wren 10
Orange-crowned Warbler 1
Yellow Warbler 6
Townsend's Warbler 2
Common Yellowthroat 2
Wilson's Warbler 17 (compared with 59 yesterday)
Chipping Sparrow 1
Song Sparrow 3
Lincoln's Sparrow 1
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 8/26/26 12:15 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report- August 26, 2026
Today was not as busy as yesterday. Congrats to Meredith and Barr Lake Volunteers for handling so many birds yesterday! Four new species for the season include Brewer's and Chipping Sparrow, Cassin's Vireo, and Western Tanager. Most flycatchers we observed yesterday were absent today. A couple Wilson's Warblers hung around from yesterday and both gained half a gram each. *44 New Banded Birds* Wilson's Warbler- 19 N. Yellow Warbler- 6 Orange-crowned Warbler- 3 Western Wood-Pewee- 2 Willow Flycatcher- 1 Northern House Wren- 3 Brewer's Sparrow- 1 Chipping Sparrow- 1 Western Tanager- 1 Cassin's Vireo- 1 Gray Catbird- 4 Brown Thrasher- 2
*4 Recaptures* Wilson's Warbler- 2 Brown Thrasher Red-breasted Nuthatch
The banding station will be open tomorrow through Saturday @ sunrise until 11:30 AM. Stop by the banding station and share your sightings. Please register if interested in visiting the ranch on Aiken Audubon's Website www.aikenaudubon.com Hoping for a good day tomorrow.
Enjoy the last days of summer,
Julie Shieldcastle, Bander Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 8/26/26 10:55 am From: Peter Burke <peterburke...> Subject: [cobirds] Have your COBC donation DOUBLED!
COBirders, CFO has received a generous gift ahead of this year's COBC. All donations will be matched 100% up to $10,000! This is great news for CFO and our Conservation Mission, and we want to encourage you to support one or more teams this year! The COBC will take place on Saturday, Sept. 5 with birding teams fanning out across the state to find as many species of birds as they can in one of Colorado's 64 counties. You can support their efforts with a donation or by pledging a dollar amount for each species they find on Saturday. Whatever amount you donate will be doubled until we hit the $10,000 limit!
P.S. It's not too late to join in the fun! Simply visit the link above and select the Register option. All you need to do is choose the category you want to participate in and the county you want to bird in.
Good birding,
Peter Burke CFO Board of Directors
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Date: 8/25/26 4:10 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (25 Aug 2026) 9 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 25, 2026
-------------------------------------------------------------------
Observation start time: 08:45:00
Observation end time: 11:45:00
Total observation time: 3 hours
Official Counter: Ajit Antony
Observers:
Visitors:
A friendly young Texan commented on my good equipment pointing to my scope.
I explained what I was doing. He didn't know that hawks migrate, but knew
that geese did. Well you can see them everywhere going south, I said, but
you need to go to a specialized place like a hawk watch like this one most
of the time to see raptors migrate. I explained that they were around 200+
active hawk watches in the country mostly manned by volunteers like myself,
and that the rest had paid professional watches counting 8 hours a day,
which he was astonished at. He wanted to know how he could get information
on hawk watches and migrating raptors, so I told him about hawkcount.org
which he put on his phone. He had no internet access so I showed him the
main page showing all the active hawk watches and what they count for the
day, how to find a hawk watch in TX, telling him about the huge numbers
seen there, explaining how the Eastern, Central and Western flyways all
concentrate the hawks, as they don't fly over water as there are no
thermals there. I explained about BW which are solitary forest hawks but
congregate in huge numbers on migration.
He said he uses the Merlin app. I said you obviously like nature, otherwise
you wouldn't be here, and suggested
since he owned binoculars, I suggested he visit a nearby hawk watch in TX,
and perhaps he may want to join a local bird club in TX. He said he would.
I said you may develop a new hobby.
Weather:
Denver had the early morning wildfire smoke around it. It was mostly
overcast, and with the sun obscured most of the day it was actually cool
and pleasant. I wondered whether the cloudy sky would prevent thermals
forming, and whether it would reduce the count as a result. The winds were
light from the West changing to East, though the winds aloft were predicted
from the NW to the NNE. As soon as I got to the watch I could virga to the
NE, which happens in dry climates, and is rain falling from the sky but
evaporating before it reaches the ground, and by 11:00 a.m. DST I could see
virga to the SW with dark clouds to the West, and finally I could see rain
falling from the SW to the NW. At 12:30 p.m. DST there was thunder from the
SW, and my app showed lightning strikes as close as 7.5 mi away, so I began
packing my stuff, and soon after there was a long roll of nearby thunder
from the NW, and this time lighting strikes were only 2.7 miles away! I got
down as fast as I could. It began lightly drizzling on my way down.
Raptor Observations:
The first raptor aloft was a local RT diving onto a TV 10:06 a.m. DST, and
it was very territorial in that it kept accosting every raptor that flew to
the area east of the antenna. The first migrant was a TV at 10:08 a.m.
By noon I could see 2 migrant RT far to the South as little dots, for which
I needed my scope to identify, they were at a tremendous height, though
definitely migrants from there path. A PG kept diving on a TV for over a
minute, then circled, getting higher and finally after many minutes
migrated to the SSW. Most of the migration was around the 2 antenna on the
east of Lookout Mountain though one TV flew high to the east losing lift
and then finally going south to the west of Green Mountain.
The irony of my doing a hawk watch and not seeing any SW, and on my way
home seeing a raptor on a tree on Route 58 which was an SW, and at home
Liza telling me that you're took our granddaughter Mia to the Arsenal NWR
where on the wildlife Loop she saw 1 FH, 3 SW and 2 AK!
Non-raptor Observations:
WEBL 6, WTSW 1, VGSW 11, RBNU 1, SPTO 1, TOSO 1, BTHU 1, CORA 1.
4 paragliders at 11:35 a.m. with excellent lift, in spite of the heavy
cloud cover, because of Denver's mile high elevation thermals still form
well. According to the Soaring Forecast of the NWS, thermals today had a
lift of 13 ft per second, and were expected to reach 10,583 ft above ground
level, about 0.5 mi above the watch, which was not too high to be able to
see migrants.
Predictions:
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly
sunny, with a high near 84. Calm wind becoming east northeast 5 to 7 mph in
the afternoon. The winds aloft are predicted by earth.nullschool.net to be
from the SW changing to the SE.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/25/26 4:03 pm From: Kevin Schutz <kschutz...> Subject: Re: [cobirds] Question to the Colorado Birds Forum regarding eBird and recent bird categorization changes
Again, thank you to all that have taken time to respond.
I have reviewed every suggestion but cannot determine any difference in the
application behavior. As I stated from the beginning, GPS / location
detection appears to be enabled and working from the very beginning.
Attempting to manually slection a starting location vs allowing the
application to auto-detect does not appear to alter the applications
behavior.
I have verified with eBird that all of my data packs are current, that my
application version for Android is current.
I suggest the moderator consider closing this thread at this time.
Thank you again,
Kevin
On Tuesday, August 25, 2026 at 2:11:45 AM UTC-6 Andrew Spencer wrote:
> This sounds to me like the taxonomy version in your eBird app isn't up to
> date. This is because the current eBird taxonomic concept for Northern
> Yellow/Mangrove Warbler is the same as the pre-2025 concept for Yellow
> Warbler. Not sure if you have iOS or Android, but on iOS, if you go to
> settings and scroll to the bottom, in the small text there it will say
> something like Taxonomy: 2025.0. If it says something other than 2025, the
> way to update it is to go back up to the top of that page, where it says
> "Show Common Names In", and switch from English (US) to some other version
> of English, and then back again. That should update your taxonomy. Android
> is, I believe, a similar process but probably has some minor variations.
>
> Hopefully this fixes the issue!
>
> Andrew Spencer
>
> On Tuesday, August 25, 2026 at 1:05:05 AM UTC-4 Kevin Schutz wrote:
>
>> Thank you to those that have responded. In each case, the suggestions do
>> not seem to apply. The eBird application is current, all eBird
>> dataset/packs/databases are updated, and the application appears to know my
>> location as it tracks my checklist route fine.
>>
>> I don't recall if I have had this issue outside of Colorado. I have only
>> been birding outside the state once this spring. I do have more trips
>> planned in the coming months, so I can check to see if I have the same
>> issue elsewhere. I really can't think of other options to try. I've just
>> found this issue to be very odd for a very common spring/summer bird, and
>> really only this one bird, which just happened to be one of the birds that
>> was renamed.
>>
>> Thank you again,
>>
>> Kevin
>>
>> On Friday, August 21, 2026 at 6:01:53 AM UTC-6 Mary Kay Waddington wrote:
>>
>>> Regarding problems with your Android eBird app. I had similar problems
>>> recently with Merlin and discovered that if I updated Merlin on my Android
>>> the problems went away. You may wish to try updating eBird on your Android
>>> and see if that fixes everything.
>>>
>>> Mary Kay Waddington
>>>
>>> On Fri, Aug 21, 2026 at 3:50 AM Kevin Schutz <ksc......> wrote:
>>>
>>>> Hello Colorado Birds community,
>>>>
>>>> I have a question to all. With the recent bird classification change,
>>>> have you noticed any changes in the behavior of the eBird a(mobile)
>>>> application where bird species, old or new classifications, DOES NOT
>>>> APPEAR AS AN OPTION until one changes to the PC version?
>>>>
>>>> My nemesis bird for this query, in Colorado, is the Northern Yellow
>>>> Warbler (previously known as the Yellow Warbler). For months, when I
>>>> attempt an eBird checklist using my mobile phone, the new "Northern Yellow
>>>> Warbler" never is presented as an option. I've tried "Northern Yellow
>>>> Warbler", "Yellow Warbler". a generic "Warbler", but I only get the
>>>> Northern Yellow/Mangrove Warbler as a viable option when using the mobile
>>>> app version, but that always (for good reason) gets questioned. Once I
>>>> return home, where I can access my PC, Northern Yellow Warbler is ALWAYS is
>>>> presented as an option. The issue is only when I deal with eBird on my
>>>> (android) mobile phone. I have experienced this issue with a number of
>>>> species, but the Northern Yellow Warbler is by far the most common species
>>>> I encounter this issue with.
>>>>
>>>> Note: all eBird databases for the application are current (have been
>>>> frequently updated).
>>>> Inquiries, to date, to Cornell have not been acknowledged
>>>>
>>>> Any suggestions on how to resolve this issue? Based on my current
>>>> experience, I am less and less inclined to attempt to report checklists,
>>>> entered in real time from the field, on eBird due to these frustrating
>>>> issues.
>>>>
>>>> Thank you,
>>>>
>>>> Kevin
>>>> El Paso County
>>>>
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>>>> http://groups.google.com/group/cobirds >>>> * All posts should be signed with the poster's full name and city.
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>>>> Groups "Colorado Birds" group.
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>>>> To view this discussion visit
>>>> https://groups.google.com/d/msgid/cobirds/<146e0344-9a2e-41e7-9c35-ac3b56336bebn...> >>>> <https://groups.google.com/d/msgid/cobirds/<146e0344-9a2e-41e7-9c35-ac3b56336bebn...>?utm_medium=email&utm_source=footer> >>>> .
>>>>
>>>
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Date: 8/25/26 3:34 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 8/25/26
Day 3 of what has so far been a pretty wild season for us! We caught 59
Wilson's Warblers, 58 of them hatch year birds. Looks like they had a good
breeding season, and/or they are coming through earlier than usual.
Our total number of birds banded today was 100, bringing our 3 day total
for the season to 235, which might be a record for the first 3 days of any
season.
Here's today's breakdown:
Mourning Dove 2
Western Wood-pewee 1
Traill's Flycatcher 1
Gray Flycatcher 1
Unidentified Warbling Vireo (measured as Western) 1
Black-capped Chickadee 2
Red-breasted Nuthatch 1
Northern House Wren 4
Orange-crowned Warbler 2
Yellow Warbler 8
Townsend's Warbler 10
MacGillivray's Warbler 1
Common Yellowthroat 2
Wilson's Warbler 59
Brewer's Sparrow 1
Lark Sparrow 1
Song Sparrow 3
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 8/25/26 1:40 pm From: Chicobander <jshieldcastle...> Subject: [cobirds] Chico Basin Ranch Banding Station Report- August 25, 2026
The first full day of banding and guess what?! The Wilson's Warbler are migrating through! Fourteen bird species and eight new species of the season (Dusky and Hammond's Flycatcher, American Redstart, Yellow-breasted Chat, American Goldfinch, Red-breasted Nuthatch, Gray Catbird, and Northern Mockingbird). The hummingbirds were thick at the station more numerous than yesterday. Several adult male Black-chinned Hummingbirds were guarding their food source.
*63 New Banded Birds* Wilson's Warbler- 29 N. Yellow Warbler- 7 Orange-crowned Warbler- 4 MacGillivray's Warbler- 2 American Redstart- 1 Dusky Flycatcher- 3 Hammond's Flycatcher- 1 Western Wood-pewee- 3 Northern House Wren- 7 American Goldfinch- 1 Red-breasted Nuthatch- 2 Yellow-breasted Chat- 1 Northern Mockingbird- 1 Gray Catbird- 1
*1 Recapture banded yesterday* Wilson's Warbler - gained .2 g since yesterday
The banding station will be open tomorrow @ sunrise until 11:30 AM through Saturday this week. If interested in visiting the ranch, please register on the Aiken Audubon website www.aikenaudubon.com Have a good day,
Julie Shieldcastle, Bander Chico Basin Ranch Bird Conservancy of the Rockies
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Date: 8/25/26 1:11 am From: Andrew Spencer <gwwarbler...> Subject: Re: [cobirds] Question to the Colorado Birds Forum regarding eBird and recent bird categorization changes
This sounds to me like the taxonomy version in your eBird app isn't up to
date. This is because the current eBird taxonomic concept for Northern
Yellow/Mangrove Warbler is the same as the pre-2025 concept for Yellow
Warbler. Not sure if you have iOS or Android, but on iOS, if you go to
settings and scroll to the bottom, in the small text there it will say
something like Taxonomy: 2025.0. If it says something other than 2025, the
way to update it is to go back up to the top of that page, where it says
"Show Common Names In", and switch from English (US) to some other version
of English, and then back again. That should update your taxonomy. Android
is, I believe, a similar process but probably has some minor variations.
Hopefully this fixes the issue!
Andrew Spencer
On Tuesday, August 25, 2026 at 1:05:05 AM UTC-4 Kevin Schutz wrote:
> Thank you to those that have responded. In each case, the suggestions do
> not seem to apply. The eBird application is current, all eBird
> dataset/packs/databases are updated, and the application appears to know my
> location as it tracks my checklist route fine.
>
> I don't recall if I have had this issue outside of Colorado. I have only
> been birding outside the state once this spring. I do have more trips
> planned in the coming months, so I can check to see if I have the same
> issue elsewhere. I really can't think of other options to try. I've just
> found this issue to be very odd for a very common spring/summer bird, and
> really only this one bird, which just happened to be one of the birds that
> was renamed.
>
> Thank you again,
>
> Kevin
>
> On Friday, August 21, 2026 at 6:01:53 AM UTC-6 Mary Kay Waddington wrote:
>
>> Regarding problems with your Android eBird app. I had similar problems
>> recently with Merlin and discovered that if I updated Merlin on my Android
>> the problems went away. You may wish to try updating eBird on your Android
>> and see if that fixes everything.
>>
>> Mary Kay Waddington
>>
>> On Fri, Aug 21, 2026 at 3:50 AM Kevin Schutz <ksc......> wrote:
>>
>>> Hello Colorado Birds community,
>>>
>>> I have a question to all. With the recent bird classification change,
>>> have you noticed any changes in the behavior of the eBird a(mobile)
>>> application where bird species, old or new classifications, DOES NOT
>>> APPEAR AS AN OPTION until one changes to the PC version?
>>>
>>> My nemesis bird for this query, in Colorado, is the Northern Yellow
>>> Warbler (previously known as the Yellow Warbler). For months, when I
>>> attempt an eBird checklist using my mobile phone, the new "Northern Yellow
>>> Warbler" never is presented as an option. I've tried "Northern Yellow
>>> Warbler", "Yellow Warbler". a generic "Warbler", but I only get the
>>> Northern Yellow/Mangrove Warbler as a viable option when using the mobile
>>> app version, but that always (for good reason) gets questioned. Once I
>>> return home, where I can access my PC, Northern Yellow Warbler is ALWAYS is
>>> presented as an option. The issue is only when I deal with eBird on my
>>> (android) mobile phone. I have experienced this issue with a number of
>>> species, but the Northern Yellow Warbler is by far the most common species
>>> I encounter this issue with.
>>>
>>> Note: all eBird databases for the application are current (have been
>>> frequently updated).
>>> Inquiries, to date, to Cornell have not been acknowledged
>>>
>>> Any suggestions on how to resolve this issue? Based on my current
>>> experience, I am less and less inclined to attempt to report checklists,
>>> entered in real time from the field, on eBird due to these frustrating
>>> issues.
>>>
>>> Thank you,
>>>
>>> Kevin
>>> El Paso County
>>>
>>> --
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "Colorado Birds" group.
>>> To post to this group, send email to <cob......>
>>> For more options, visit this group at
>>> http://groups.google.com/group/cobirds >>> * All posts should be signed with the poster's full name and city.
>>> Include bird species and location in the subject line when appropriate.
>>> * Join Colorado Field Ornithologists https://cobirds.org/membership/ >>> ---
>>> You received this message because you are subscribed to the Google
>>> Groups "Colorado Birds" group.
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>>> an email to cobirds+<u......>
>>> To view this discussion visit
>>> https://groups.google.com/d/msgid/cobirds/<146e0344-9a2e-41e7-9c35-ac3b56336bebn...> >>> <https://groups.google.com/d/msgid/cobirds/<146e0344-9a2e-41e7-9c35-ac3b56336bebn...>?utm_medium=email&utm_source=footer> >>> .
>>>
>>
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Date: 8/24/26 10:05 pm From: Kevin Schutz <kschutz...> Subject: Re: [cobirds] Question to the Colorado Birds Forum regarding eBird and recent bird categorization changes
Thank you to those that have responded. In each case, the suggestions do
not seem to apply. The eBird application is current, all eBird
dataset/packs/databases are updated, and the application appears to know my
location as it tracks my checklist route fine.
I don't recall if I have had this issue outside of Colorado. I have only
been birding outside the state once this spring. I do have more trips
planned in the coming months, so I can check to see if I have the same
issue elsewhere. I really can't think of other options to try. I've just
found this issue to be very odd for a very common spring/summer bird, and
really only this one bird, which just happened to be one of the birds that
was renamed.
Thank you again,
Kevin
On Friday, August 21, 2026 at 6:01:53 AM UTC-6 Mary Kay Waddington wrote:
> Regarding problems with your Android eBird app. I had similar problems
> recently with Merlin and discovered that if I updated Merlin on my Android
> the problems went away. You may wish to try updating eBird on your Android
> and see if that fixes everything.
>
> Mary Kay Waddington
>
> On Fri, Aug 21, 2026 at 3:50 AM Kevin Schutz <ksc......> wrote:
>
>> Hello Colorado Birds community,
>>
>> I have a question to all. With the recent bird classification change,
>> have you noticed any changes in the behavior of the eBird a(mobile)
>> application where bird species, old or new classifications, DOES NOT
>> APPEAR AS AN OPTION until one changes to the PC version?
>>
>> My nemesis bird for this query, in Colorado, is the Northern Yellow
>> Warbler (previously known as the Yellow Warbler). For months, when I
>> attempt an eBird checklist using my mobile phone, the new "Northern Yellow
>> Warbler" never is presented as an option. I've tried "Northern Yellow
>> Warbler", "Yellow Warbler". a generic "Warbler", but I only get the
>> Northern Yellow/Mangrove Warbler as a viable option when using the mobile
>> app version, but that always (for good reason) gets questioned. Once I
>> return home, where I can access my PC, Northern Yellow Warbler is ALWAYS is
>> presented as an option. The issue is only when I deal with eBird on my
>> (android) mobile phone. I have experienced this issue with a number of
>> species, but the Northern Yellow Warbler is by far the most common species
>> I encounter this issue with.
>>
>> Note: all eBird databases for the application are current (have been
>> frequently updated).
>> Inquiries, to date, to Cornell have not been acknowledged
>>
>> Any suggestions on how to resolve this issue? Based on my current
>> experience, I am less and less inclined to attempt to report checklists,
>> entered in real time from the field, on eBird due to these frustrating
>> issues.
>>
>> Thank you,
>>
>> Kevin
>> El Paso County
>>
>> --
>> --
>> You received this message because you are subscribed to the Google Groups
>> "Colorado Birds" group.
>> To post to this group, send email to <cob......>
>> For more options, visit this group at
>> http://groups.google.com/group/cobirds >> * All posts should be signed with the poster's full name and city.
>> Include bird species and location in the subject line when appropriate.
>> * Join Colorado Field Ornithologists https://cobirds.org/membership/ >> ---
>> You received this message because you are subscribed to the Google Groups
>> "Colorado Birds" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to cobirds+<u......>
>> To view this discussion visit
>> https://groups.google.com/d/msgid/cobirds/<146e0344-9a2e-41e7-9c35-ac3b56336bebn...> >> <https://groups.google.com/d/msgid/cobirds/<146e0344-9a2e-41e7-9c35-ac3b56336bebn...>?utm_medium=email&utm_source=footer> >> .
>>
>
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Date: 8/24/26 5:09 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (24 Aug 2026) 14 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 24, 2026
-------------------------------------------------------------------
Observation start time: 08:00:00
Observation end time: 12:45:00
Total observation time: 4.75 hours
Official Counter: Ajit Antony
Observers:
Visitors:
A hiker stopped and asked what I was looking at, and I explained. He was
from CT and live near the Chestnut Ridge Hawk Watch. He said he took
pictures with his camera and use AI to identify them. I suggested the
Merlin app and suggested he go on DFO trips and after a long chat, as he
left he confirmed that it was called DFO. Two women stopped and asked
whether I got good photographs. I explained I was counting migrating
raptors going south. They wanted to know how far hawks migrated, and when I
said some of them, SW go down to Argentina they were truly amazed. They
wanted to know the species and I told then we could see around 16 species
here, and I try to separate them where I can into adults versus immature
and males versus females where plumages are different, and I gave the
example of a Kestrel, and they want to know how males and females differ,
and I explained about the coverts. I asked if they like birds, and they
said Yes. I suggested the Merlin app explaining all its features, and one
of them downloaded it right there. One of them showed me a photograph taken
at her house which she thought was a teenager. It was a LEGO, which I
showed them on the Merlin app, and played the call for them. They said they
were going to Peru next month and it would come in handy. I explained that
they would have to load a bird pack for Peru. As they left, one of them
said You're wonderful.
Weather:
Denver was in a haze of wildfire smoke, though DIA was visible to the naked
eye. The air was very clear, the clearest I have seen this month. Winds
were from the West, then the east, though the winds aloft were predicted
from the north. Abundant cloud cover mainly altocumulus, with the usual
buildup of cumulus clouds from the West later on. Initially, there was a
huge cloud to the east covering the sun, which made a pleasure climbing up
to the watch, in that for the first day I was not sweaty reaching the top,
and it was actually slightly cool.
Raptor Observations:
The first raptor in the air was a non-migrant RT at 9:07 a.m. DST. The
first migrant was a juvenile SW at 9:40 a.m. DST which came from the
Northeast and went up Clear Creek Canyon just to the north of and below the
watch, followed 4 minutes later by an adult SW which was initially seen
above North Table Mountain and followed the same route but at eye level.
The 3rd migrant in the first hour, an AK female went through the 'Kestrel
Channel' which is to the East and below the watch, then catching a ridge
lift on the north face of Lookout Mountain, going past it.
In the 11:00 MST hour, I found that raptors used a different flight path,
from the top of the easternmost antenna, they would fly south, gaining
height progressively until they disappeared over Lookout Mountain at a
variable area east of the westernmost antenna which has all the drums on
it.
Non-migrant raptors: SS 1, CH 2 one of which flew along the Kestrel
Channel, RT 3, TV 7.
Predictions:
Similar to today with a 40 percent chance of showers and thunderstorms
after 1pm. Mostly sunny, with a high near 86. Light and variable wind
becoming east northeast 5 to 7 mph in the afternoon.
The winds aloft are predicted to be light, from the NW>NNW>N>NE.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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The first fall banding day at Chico Basin Ranch. We were so busy we only had five nets up before we were busy and had to finish putting up the remaining five nets until we were finished banding for the day. Five warbler species , four species, and a total of 12 bird species for the day. Wilson's Warblers are back in full swing. Northerly winds helped Monarch butterflies to move in good numbers.
*37 New Birds* Orange-crowned Warbler- 4 Yellow Warbler- 5 Townsend's Warbler- 1 Wilson's Warbler- 11 MacGillivray's Warbler- 2 Northern House Wren- 1 Lesser Goldfinch- 1 Western Wood-Pewee- 4 Willow Flycatcher- 2 Traill's Flycatcher- 2 (Alder or Willow- could not distinguish) Western Flycatcher- 1 House Finch- 2
The banding station will be open tomorrow from sunrise until @11:30AM. If interested in birding the ranch, please register on the Aiken Audubon website www.aikenaudubon.com A Badger was seen crossing the road, shortly before entering the ranch so be on the lookout. No need to drive fast on the ranch you never know what animals you might see!
Enjoy the day!
Julie Shieldcastle Chico Bird Bander Bird Conservancy of the Rockies
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Date: 8/24/26 11:39 am From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 8/23/26
It is really, really good to be home again!! 92 birds (20 species) banded
yesterday! Highest number at Barr since 9/3/2020!
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 8/23/26 9:52 pm From: Jack Bushong <jcbushong01...> Subject: [cobirds] COMMON RINGED PLOVER in Wyoming
Hi all,
Wanted to get the word out about a COMMON RINGED PLOVER I found this afternoon at Goshen Hole Reservoir in Goshen County, Wyoming, about 60 miles north of the Colorado border. Some back-of-camera pics and audio in the checklist for now: eBird Checklist - 23 Aug 2026 - Springer/Bump Sullivan WHMA--Goshen Hole Reservoir - 36 species (+1 other taxa) <https://ebird.org/checklist/S386377819>.
I suspect this bird will depart tonight or sometime in the next few days. Assuming it heads south next through Colorado, a few possible places it might stop include Jackson Lake SP, Prewitt, Barr Lake, or perhaps somewhere closer to the Front Range. With recent records from Arizona and elsewhere, there may still be more to come this fall!
Good birding, Jack Bushong
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Date: 8/23/26 7:21 pm From: Brandon <flammowl17...> Subject: [cobirds] Ruddy Turnstone in El Paso County
Magali Wyatt found and photographed a Ruddy Turnstone on the close shore by
the Big Johnson Reservoir parking lot early the afternoon. A few other
birders were able to see it. It had disappeared for a while, likely hiding
along the dam out of sight. It was last seen on peninsula around 7:40pm.
Hopefully it will around tomorrow for the people who didn’t see it today,
when it was missing for quite a while.
Brandon K. Percival
Sent from my Phone
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Date: 8/23/26 6:46 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (23 Aug 2026) 11 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 23, 2026
-------------------------------------------------------------------
Observation start time: 08:15:00
Observation end time: 12:30:00
Total observation time: 4.25 hours
Official Counter: Ajit Antony
Observers: Zak Hepler
Visitors:
A hiker from Golden who often comes here wanted to know how many raptors I
saw the day before, and what they were.
A young man from Texas working in Denver until November was interested in
what we were doing. He wasn't a birder but thought he would be interested,
I suggested going on DFO trips, suggested the Merlin app, told him about
Hawkcount.org all of which he put in his phone. He was interested in
photography, so Zak showed him his camera.
When I was going up the trail to the watch, an older woman with braces on
both wrists was coming down. Later I saw her up at the watch, and she
wished me luck. She walked the trail 294 ft elevation 5 times up and down
in preparation for a trip to the Dolomites and the Grand Canyon!
Weather:
The usual wildfire smoke in the morning over Denver gradually clearing,
light winds mainly from the SW becoming level 4 (13-18 mph) by the 10:00
MST hour, and by the 12:00 hour changing to NW, though there were gusts
from different directions all morning. Cloud cover stayed around 30-40%,
visibility improving from an initial 19 to 39 km. The winds aloft were from
the East at 14-17 km/h.
Raptor Observations:
The first migrant was an immature RT at 9:28 a.m. DST. The main migrant
movement still of TV and RT, with a single AK extremely high.
Non-migrant raptors: adult GE, CH 2 one attacking a raven 3 times, Rt 7, TV
5 with 3 of them perching on the antennae.
Once the strong West winds at Level 4 began, the flight practically stopped
for the day. In the last 2 hours there were only 2 migrants counted. Local
birds were seen at great heights.
The Soaring Forecast of the NWS predicted thermals reaching
11,446 feet above ground level, so roughly 4,000 ft above the level of the
watch, so perhaps the migrants were flying, but beyond binocular
detectability - see Gauthreaux and Kerlinger's research studies in the
1970s using a portable radar showing just that, that also explained the
"noon lull."
I had Zak Hepler help me this morning. He is very good at finding distant
raptors that I find and give him directions to, as well as finding them
himself, and finding them in his scope. We had a long chat about raptors,
birding, another topics that interested both of us. I pointed out the
slowly spinning ring-shaped or crescentic clouds that cap thermals. He was
avid to learn everything I could share with him. I told him that I would
share what I know and I've learned in 40 Years of hawk watching/ counting.
He even asked if he could put the weather data into the form on the hour.
Now, that's interest!
Non-raptor Observations:
4 propeller planes flying in formation, which I've seen before from this
site.
WTSW 5, STJA 2, MOCH 1, VGSW 1, RBNU 1, AMCR 1, CORA 2.
Predictions:
A 40 percent chance of showers and thunderstorms after noon. Increasing
clouds, with a high near 90. West wind 5 to 8 mph becoming east in the
afternoon. The winds aloft are light, predicted to be from the SW changing
to East.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/22/26 5:31 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (22 Aug 2026) 27 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 22, 2026
-------------------------------------------------------------------
Observation start time: 08:00:00
Observation end time: 12:00:00
Total observation time: 4 hours
Official Counter: Ajit Antony
Observers:
Visitors:
7 different hikers had various questions for me. Fantastic and cool were
some of the comments when I explained what I was doing.
Weather:
The usual haze of wildfire smoke over Denver. I looked up why it was so
every morning but cleared up later. A temperature inversion traps the smoke
over Denver early in the morning but as the sun hits the ground and warms
it, as the hot air rises, it dilutes the smoke as fresh air blows in from
the East, as well as wind blowing the smoke away. Sunny and cloudless
initially with increasing cloud cover, mainly cumulus from the West. Very
light winds from the East changing to stronger winds from the ESE, the
winds aloft being N>NE. In the last hour as predicted dark rain clouds
moved in from the West, with thunder and rain falling from the clouds to
the NW. I left when my app showed lightning strikes 9.5 miles away, and
when I got to my car they were only 5.5 miles away.
Raptor Observations:
After my enforced stint of counting at Lookout Mountain yesterday since
Lookout Mountain Road was closed at both ends, I have a changed mindset - I
assume every raptor I see is a potential migrant unless I can prove it is
not. I have more confidence that most raptors I see are indeed migrants,
nor do I worry about not seeing many birds fly north to south over the
horizon, except at the 3 antenna of Lookout Mountain, and this correlates
well with where we found migrant raptors in Fall 2025 at Dinosaur Ridge,
i.e. along the western ridge which is where migrants would go after passing
East of Lookout Mountain.
Non-migrant raptors: Prairie Falcon 1. Adult GE 2 one of which flew
directly below the watch to the east and I could see its dorsal primaries
reflecting/refracting a bluish light! Immature CH flew low over the watch,
going north. RT 10, TV 5. An RT dove on a TV.
Non-raptor Observations:
9 paragliders starting around 10:30 a.m. DST with good lift.
BGGN 1, STJA 1, CONI 8, BTHU 1, SPTO 1, NOFL 1, VGSW 2, CORA 2.
Predictions:
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly
sunny, with a high near 92. West southwest wind 5 to 7 mph becoming
northeast in the afternoon. The winds aloft are predicted to be SW changing
to NW
========================================================================
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Date: 8/22/26 4:05 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 8/22/26
It is good to be home again! Although the repair work on the dam
continues, they have completed the work in the area near/around where our
banding station has been (except for the past 2 years), and we have been
able to put most of our nets in approximately the same locations as in the
past.
We had a busy early morning, catching 44 birds of 14 species, including 4
flycatcher species and 5 warblers. Most of the birds were caught before
the heat kicked in about half way through the morning and we started
closing nets. Lots of interesting stuff for our first day of fall banding,
2026:
Downy Woodpecker 3
Western Wood-pewee 2
Traill's Flycatcher (probably Willow) 1
Least Flycatcher 1
Western Flycatcher 1
Black-capped Chickadee 6 (a flock, 5 in the same net)
Red-breasted Nuthatch 1
Northern House Wren 6
Orange-crowned Warbler 1
Virginia's Warbler 1
Yellow Warbler 9 new, 1 banded this date in 2023 as an adult
Common Yellowthroat 2
Wilson's Warbler 4
Song Sparrow 5
Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies
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Date: 8/21/26 7:57 pm From: Doug Faulkner <zebrilus...> Subject: [cobirds] Interesting dark juvenile gull at Barr Lake SP, Adams County
Hi all,
Today, I came across a gull sitting on the island that has formed off of the boat ramp at Barr Lake SP, Adams County. The gull appeared solidly charcoal gray and similar in size to a Ring-billed Gull. It kept its head tucked while I was there, and I never got a side profile, so I am hesitant to put a definitive name to it. I added a poor photo to my eBird Checklist <https://ebird.org/checklist/S385522322>. Ring-billed and California gulls are also in the photo providing lighting and color perspectives. Good luck to anyone looking for it this weekend.
good birding,
Doug Faulkner Arvada, CO
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Date: 8/21/26 4:32 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (21 Aug 2026) 22 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 21, 2026
-------------------------------------------------------------------
Observation start time: 07:45:00
Observation end time: 12:30:00
Total observation time: 4.75 hours
Official Counter: Ajit Antony
Observers: Liza Antony
Visitors:
An older gentleman asked weather we were looking at a hawk, and confidently
told me that hawks don't migrate. I explained that we count up to 14
different species which do. He said that he has a small ranch near Pikes
Peak, and he sees Red Tails throughout the year. I explained that 'his' RT
move South to be replaced by other RT from further north, so he would think
they're the same hawks. He was amazed. He asked me to tell him the names of
all the raptors we could see. He said he knew to make out a Red Tail but
not an SS. I told him to look for a longer narrower tail on a smaller hawk.
Another visitor was curious what we were looking at.
Weather:
There was a light haze from wildfire smoke over Denver which gradually
cleared. The winds from the West were subjugated by winds from the NE.
Light then increasing winds from the NE. Visibility 8 km>39 km, good cloud
cover of cirrus and cumulus clouds. By 1:30 p.m. DST it was unbearably hot
in spite of my using a golf umbrella all day and, feeling sick from the
heat, I called it quits. The temperature was 101�F!
Raptor Observations:
Lookout Mountain Road was closed in both directions, because of the annual
ceremony of the Colorado School of Mines for incoming students
participating in the annual Mount Zion Rock Hike, a 118-year-old welcoming
tradition where over 1,000 new 'Orediggers' hike 3 miles up Mount Zion
carrying a 10-pound rock from their hometown to add to the iconic huge "M"
made of white rocks on the NE face of Mount Zion . As the result we had to
choose an alternate observation site which was the Buffalo Bill Museum area
on top of Lookout Mountain at 7,375 ft elevation, at 39.7335, 105.2384. We
were observing from around 700 ft east of the 3 large antenna, around which
we saw most of the raptors, both migrant and non-migrant. Interestingly, I
learned something about the migration from Mount Zion Hawk Watch today.
Many of the raptors which went around the East face of Mount Zion and lost
to view behind the trees of Lookout Mountain we considered non- migrants,
trying to be conservative and honest. From a vantage point at a higher
elevation we could see that all of these were migrants, in fact,
practically every taptor which flew toward the South was a migrant. In
addition, Mount Zion being about 200 ft lower, when we saw a migrant flying
south just over the trees of Lookout Mountain we would sometimes think they
were dropping into trees, whereas from our vantage point today we could see
that they were actually migrating past. The only ones we would count from
Mount Zion as migrants were the ones which were much higher than the trees
and flying in a horizontal plane without dropping. The only ones that did
not migrate today were the ones that flew in an East to West direction or
the reverse, or of course flying North. We had a juvenile RT we saw
frequently. Another puzzling thing we saw two years ago from Mount Zion
Hawk Watch was that a number of migrants were first seen around the towers
of Lookout Mountain, and today I could see that very few raptors were
flying above the horizon from the north, a few did, migrating far to the
east. Most of the migrants would be first seen close to the three antenna,
without having been seen further north where we were scanning regularly. My
conclusion is that they were flying at a low level over the Golden Fault
over which is the town of Golden, and looking down, it's close to
impossible to see raptors flying over the trees and houses, in fact any
local raptors we saw there with binoculars, we quickly lost to view while
we watched. So my conclusion is that when they reach Lookout Mountain, they
use the ridge lift on the East face of the mountain to rise to the level of
the antenna where we can see them above the horizon, against the sky.
Non-migrant raptors: AK 2, RT 7, TV 5.
Non-raptor Observations:
Three hot air balloons in the air a little beyond North Table when we
arrived.
WEBL 3, WTSW 1, STJA 2, CONI 10 migrants, PYNU 5, BTHU 6, RBNU 1, WBNU 1
interior West subspecies, HAWO 1, DOWO 1,NOFL 1,HOFI 1, YRWA 4, CORA 1,
AMCR 1
Predictions:
A 50 percent chance of showers and thunderstorms after 1pm. Increasing
clouds, with a high near 90. Light and variable wind becoming east
northeast 5 to 8 mph in the morning.
========================================================================
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Date: 8/21/26 9:21 am From: Gary Brower <grb4914...> Subject: [cobirds] Labor Day around the lake!
CoBirders,
It’s that time again. The 7th annual Labor Day Cherry Creek SP Circumlakation! (I started this as “Let’s-get-outside-during-COVID” event, and I can’t let it go!)
This is NOT an official event by any means. It’s just an invitation to join me on a bird walk around Cherry Creek State Park (about 13 miles total). Over the last six years, we’ve tallied over 100 different species total. This weird year . . . who knows?
I'll start at the Tower Loop on September 7 at 630am, and head around the lake clockwise. That means we’re crossing the dam around 1:00pm . . . and we’ve been fortunate to get Rock Wren fairly often!
No need to RSVP, just show up!
If you have questions, email me back, or give me a text/call at 303-501-6659.
Gary Brower
Unincorporated Arapahoe County
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Date: 8/21/26 5:02 am From: Mary Kay Waddington <waddingtonmk...> Subject: Re: [cobirds] Question to the Colorado Birds Forum regarding eBird and recent bird categorization changes
Regarding problems with your Android eBird app. I had similar problems
recently with Merlin and discovered that if I updated Merlin on my Android
the problems went away. You may wish to try updating eBird on your Android
and see if that fixes everything.
Mary Kay Waddington
On Fri, Aug 21, 2026 at 3:50 AM Kevin Schutz <kschutz...> wrote:
> Hello Colorado Birds community,
>
> I have a question to all. With the recent bird classification change,
> have you noticed any changes in the behavior of the eBird a(mobile)
> application where bird species, old or new classifications, DOES NOT
> APPEAR AS AN OPTION until one changes to the PC version?
>
> My nemesis bird for this query, in Colorado, is the Northern Yellow
> Warbler (previously known as the Yellow Warbler). For months, when I
> attempt an eBird checklist using my mobile phone, the new "Northern Yellow
> Warbler" never is presented as an option. I've tried "Northern Yellow
> Warbler", "Yellow Warbler". a generic "Warbler", but I only get the
> Northern Yellow/Mangrove Warbler as a viable option when using the mobile
> app version, but that always (for good reason) gets questioned. Once I
> return home, where I can access my PC, Northern Yellow Warbler is ALWAYS is
> presented as an option. The issue is only when I deal with eBird on my
> (android) mobile phone. I have experienced this issue with a number of
> species, but the Northern Yellow Warbler is by far the most common species
> I encounter this issue with.
>
> Note: all eBird databases for the application are current (have been
> frequently updated).
> Inquiries, to date, to Cornell have not been acknowledged
>
> Any suggestions on how to resolve this issue? Based on my current
> experience, I am less and less inclined to attempt to report checklists,
> entered in real time from the field, on eBird due to these frustrating
> issues.
>
> Thank you,
>
> Kevin
> El Paso County
>
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>
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Date: 8/21/26 4:21 am From: diana <otowi33.33...> Subject: Re: [cobirds] Question to the Colorado Birds Forum regarding eBird and recent bird categorization changes
Kevin,
When I saw that issue with Northern Yellow Warbler, it seemed to be that the app didn't know my location, which is a separate issue from the packs. In my app, if I go to My eBird there is a little map pin icon on top right. If I click that one of the options is your current location. This seems to prompt it to refind where I am and pull up the right Yellow Warbler. I suppose if your app doesn't have GPS permissions this could also result in this issue. I hope this helps if it turns out to be a similar cause for you.
Diana Beatty
El Paso County
On August 20, 2026 10:26:35 PM MDT, Kevin Schutz <kschutz...> wrote:
>Hello Colorado Birds community,
>
> I have a question to all. With the recent bird classification change,
>have you noticed any changes in the behavior of the eBird a(mobile)
>application where bird species, old or new classifications, DOES NOT
>APPEAR AS AN OPTION until one changes to the PC version?
>
>My nemesis bird for this query, in Colorado, is the Northern Yellow
>Warbler (previously known as the Yellow Warbler). For months, when I
>attempt an eBird checklist using my mobile phone, the new "Northern Yellow
>Warbler" never is presented as an option. I've tried "Northern Yellow
>Warbler", "Yellow Warbler". a generic "Warbler", but I only get the
>Northern Yellow/Mangrove Warbler as a viable option when using the mobile
>app version, but that always (for good reason) gets questioned. Once I
>return home, where I can access my PC, Northern Yellow Warbler is ALWAYS is
>presented as an option. The issue is only when I deal with eBird on my
>(android) mobile phone. I have experienced this issue with a number of
>species, but the Northern Yellow Warbler is by far the most common species
>I encounter this issue with.
>
>Note: all eBird databases for the application are current (have been
>frequently updated).
> Inquiries, to date, to Cornell have not been acknowledged
>
>Any suggestions on how to resolve this issue? Based on my current
>experience, I am less and less inclined to attempt to report checklists,
>entered in real time from the field, on eBird due to these frustrating
>issues.
>
>Thank you,
>
>Kevin
>El Paso County
>
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Date: 8/21/26 2:50 am From: Kevin Schutz <kschutz...> Subject: [cobirds] Question to the Colorado Birds Forum regarding eBird and recent bird categorization changes
Hello Colorado Birds community,
I have a question to all. With the recent bird classification change, have you noticed any changes in the behavior of the eBird a(mobile) application where bird species, old or new classifications, DOES NOT APPEAR AS AN OPTION until one changes to the PC version?
My nemesis bird for this query, in Colorado, is the Northern Yellow Warbler (previously known as the Yellow Warbler). For months, when I attempt an eBird checklist using my mobile phone, the new "Northern Yellow Warbler" never is presented as an option. I've tried "Northern Yellow Warbler", "Yellow Warbler". a generic "Warbler", but I only get the Northern Yellow/Mangrove Warbler as a viable option when using the mobile app version, but that always (for good reason) gets questioned. Once I return home, where I can access my PC, Northern Yellow Warbler is ALWAYS is presented as an option. The issue is only when I deal with eBird on my (android) mobile phone. I have experienced this issue with a number of species, but the Northern Yellow Warbler is by far the most common species I encounter this issue with.
Note: all eBird databases for the application are current (have been frequently updated). Inquiries, to date, to Cornell have not been acknowledged
Any suggestions on how to resolve this issue? Based on my current experience, I am less and less inclined to attempt to report checklists, entered in real time from the field, on eBird due to these frustrating issues.
Thank you,
Kevin El Paso County
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The Phainopepla continues below the dam at Two Buttes, mostly hanging out around the edges of the large pond nearest the dam.
Nathan Pieplow Boulder
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Date: 8/19/26 11:16 pm From: Brandon <flammowl17...> Subject: [cobirds] PHAINOPEPLA in Baca County
David Wolf from Texas found an immature male Phainopepla, below the dam at Two Buttes Reservoir in Baca County on Monday morning. It was re-found this morning, and then refound again this evening. It seemed be hanging around the first pond, below the dam this evening. It has also been seen around the parking area. Good luck to others hoping to see this Colorado rarity.
Brandon K. Percival
Sent from my Phone
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Date: 8/19/26 3:56 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (19 Aug 2026) Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 19, 2026
-------------------------------------------------------------------
Observation start time: 08:15:00
Observation end time: 10:45:00
Total observation time: 2.75 hours
Official Counter: Ajit Antony
Observers:
Visitors:
A hiker already on top commented on my "photographic" equipment. I
explained what it was and what I was doing. He lived in Golden, though from
Virginia, and he knew of a hawk watch there.
An older couple came up with their young grandson. She asked whether I'd
seen any birds, and when I answered in the negative she said that the
thermals would not have formed yet. I told her that she knew more than most
people. She said she lived in San Francisco, was a teacher and she used to
take students up to Hawk Hill/ Golden Gate Bird Observatory Hawk Watch. She
pointed to my scope and asked what it was for. I explained that it was a
telescope.
Weather:
Another day with wildfire smoke covering Denver with a brown gray layer for
1 degree above the horizon. There was good cloud cover both East and North.
The winds were initially from the west but were soon overpowered by the
anabatic winds from the East changing to ESE. The winds aloft were from the
NW as evidenced by the direction of the clouds.
Raptor Observations:
Not a single migrant raptor today.
Non-migrant raptors: RT 3, TV 2.
Non-raptor Observations:
A single paraglider at 10:00 a.m. had no lift whatsoever.
MOBL 5, WOSJ 1, BTHU female which fed from a flower 4 ft from me, VGSW 8,
WBNU 1, SPTO 1, CORA 1, AMCR 1.
Predictions:
Sunny, with a high near 92. Light and variable wind becoming northeast 5 to
8 mph in the morning. Winds could gust as high as 15 mph. However the winds
aloft are again from the NW which seems to mitigate against a good flight.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/19/26 8:33 am From: Jared Del Rosso <jared.delrosso...> Subject: [cobirds] A Sadness of Sparrows - Arapahoe
Okay, the sadness is mine, not the sparrows -- but there's something about encountering flocks of Vesper Sparrows and Lark Buntings in Centennial (where they do not breed) here in August that is bittersweet. I love seeing the birds, but it means summer is nearly over and too soon for my liking many of our breeding birds will be long gone. (That said, this year's heat and drought can't be gone too soon.)
Lark Buntings at deKoevend Park in Centennial yesterday (August 18). Vesper Sparrows around various open spaces and trails this week, too.
Also:
A Bullock's Oriole at deKoevend yesterday. Not that uncommon, but they barely breed in my self-imposed, hyper-local birding area. I know of only one breeding spot.
A Calliope Hummingbird giving its weird display sound, like a toy laser gun to my ears, in my yard. I have my feeders down right now, but a few hummingbirds are visiting the many flowers on my one miracle plant -- a Desert Willow, practically the only thing really happy this year -- and a few agastaches. (Agastache cana, my second favorite to the more popular Agastache rupestris, seems much happier in my yard, year-over-year.)
- Jared Del Rosso Centennial, CO
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Date: 8/18/26 4:00 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (18 Aug 2026) 2 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 18, 2026
-------------------------------------------------------------------
Observation start time: 08:00:00
Observation end time: 11:30:00
Total observation time: 3.5 hours
Official Counter: Ajit Antony
Observers:
Visitors:
A woman hiker was curious as to what I was watching, when I told her, she
wanted to know how I tell migrants from non-migrants, and what species I
could see. I told her I could see 14 different species and she wanted to
know what I had seen today. I hesitated to name them, as most non-birders
have not heard of any of them, but I mentioned the CH and the RT, and she
said she had a CH in her backyard. I discussed the increased urbanization
of CH, which thrives in cities such as Seattle.
Weather:
Light ildfire smoke over Denver but none above the horizon. Altocumulus
with lenticularis and cirrus clouds with a large swath of the latter
developing overhead and to the north and east which would have been a
wonderful backdrop to see migrants if there had been any. Later cumulus
clouds developed as usual from the West over the Rockies , gradually
blowing East over the watch. The synoptic winds were from the West which
were rapidly overcome by locally caused East winds because of Denver.
Raptor Observations:
Looking at my reports last fall from Dinosaur Ridge, I realized that there
were SW flying early so I got there by 9:00 a.m. DST which was fortunate
because the only two migrants a CH which chased a local RT, and another RT
were the only migrants for the day in that hour, even though I assiduously
and systematically scanned the high clouds for migrants to no avail.
Non-migrant raptor sightings: an adult dark morph RT, 11 RT in all; CH 1;
adult BE 1; TV 5, one harassed by 2 CORA,
Non-raptor Observations:
9 paragliders, 3 starting at 10:00 a.m. DST when 3 of them had minimal
lift, 35 minutes later I saw one of them far to the North and high.
CONI 1, ROWR 1, VGSW 1, BTHU 1, SPTO 1, BCCH 1, CORA 4, AMCR 4.
Predictions:
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly
sunny, with a high near 87. Light and variable wind becoming north
northeast 5 to 8 mph in the morning.
The winds aloft are expected to be light and from the WNW/NW.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Nice photo of a light morph of an adult Swainson's Hawk. You could also google it and thanks for sharing.
Wayne Wathen
Centennial, Colorado
________________________________
From: <cobirds...> <cobirds...> on behalf of Pauli Driver-Smith <hollyhockfarms...>
Sent: Tuesday, August 18, 2026 1:00 PM
To: cobirds <cobirds...>
Subject: [cobirds] Hawk Identification
Can anyone tell me what kind of hawk this is? This isn't my picture, but on several occasions I've seen him/her around my property.
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It’s a Swainson’s Hawk. I’m able to identify it by its bib. Nice bird!
*Linda Hodges*
*Conservation Chair*
*Aiken Audubon*
On Tue, Aug 18, 2026 at 1:02 PM Pauli Driver-Smith <hollyhockfarms...>
wrote:
> Can anyone tell me what kind of hawk this is? This isn't my picture, but
> on several occasions I've seen him/her around my property.
>
> Pauli Smith
> Highlandlake/Mead, Weld, Colorado
>
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Can anyone tell me what kind of hawk this is? This isn't my picture, but on several occasions I've seen him/her around my property.
Pauli Smith Highlandlake/Mead, Weld, Colorado
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Date: 8/17/26 5:04 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (17 Aug 2026) 12 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 17, 2026
-------------------------------------------------------------------
Observation start time: 09:15:00
Observation end time: 13:00:00
Total observation time: 3.75 hours
Official Counter: Ajit Antony
Observers: Liza Antony
Visitors:
An older birder/hiker said he saw a Cooper's Hawk on Lookout Mountain
making a whistling sound which he had never heard. I hadn't either, and
looked it up online and told him when he was on his way back that it was
from a juvenile CH, amd he said, Oh yes it had a streaked breast.
Weather:
Initially there was some haze or Denver from wildfire smoke from western
states, however this cleared up and we could even see Denver International
Airport with the naked eye at 39 km away. Initially pleasant, but
unbearably hot by the end, even with our umbrellas! Winds were light from
the East, though the winds aloft prediction by earth.null school.net showed
it coming from the West, good cloud cover - cirruss to the East and cumulus
to the West, becoming cumulus all over.
Raptor Observations:
We had our first little group of 3 Swainson's Hawk at 10:43 a.m. DST that's
Liza found over South Table Mountain, which I confirmed with my scope,
followed by another one a minute later. Typically, they rose a little in
height but once they left South Table Mountain they lost lift because of
the large number of trees, golf course and houses, eventually traveling
between Green Mountain and Lookout Mountain, which is where we would see
them a year ago when we counted at Dinosaur Ridge in fall, where we had
started counting on August 19, 2025 when we had 14 SW, so their flight
dates seems to be fairly consistent in the area.
Non-migrant raptor sightings: AK 1, CH 1 which which briefly chased an
WTSW, RT 6, TV 14.
Non-raptor Observations:
The first paraglider at 10:41 a.m. DST had no lift whatsoever and could not
even rise to our level. 4 more at 12:00 p.m. and good lift, rising quite
high, so we looked higher in the sky for migrant raptors who would have the
same and better lift as they were much smaller.
Red Crossbill 6, Bushtit 5, LEGO 1, SPTO 1, VGSW 1,BTHU 1,BLJA 1.
Monarch butterfly 2.
Predictions:
A 20 percent chance of showers and thunderstorms after noon. Increasing
clouds, with a high near 90. West wind 6 to 9 mph becoming northeast in the
afternoon. Winds could gust as high as 15 mph.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/16/26 7:15 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (16 Aug 2026) 8 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 16, 2026
-------------------------------------------------------------------
Observation start time: 09:15:00
Observation end time: 12:45:00
Total observation time: 3.5 hours
Official Counter: Ajit Antony
Observers: Zak Hepler
Visitors:
Unloading my scope from my car, a bicyclist stopped and asked what I was
doing with my equipment. We had a long chat. He did not know hawks migrate,
and I explained why. He wanted to know what hawks we could see and I told
him we have 14 species possible here. I explained the nationwide network of
active hawk watches and that we report to HMA. He wanted to know if he
could access the data so I told him to look up hawkcount.org. At the watch
around 9 hikers were curious as to what we were looking at. One couple
asked numerous questions once they found out what we were looking for.
Weather:
Another slightly smoky day today with Denver wreathed in smoke, improving
as the morning went on, cool, good cloud cover. There was a 3 degree thick
well-defined smoke layer over Denver. By the second full hour dark clouds
started moving in from the West. There were lightning strikes 7 miles away
but to our according to my app but when it started raining lightly we gave
up the watch.
Raptor Observations:
The first migrant was an SS at 10:45 a.m. DST going east of Lookout
Mountain and below the level of our watch.
Non-migraine Raptors: GE adult 1, CH 1, RT 17, TV 12, AK 1.
I had Zak Hepler, a raptor enthusiast, come to the watch to help me. I
initially met him at Ted Floyd's post-Thanksgiving Day bird trip, and he
had to come for our DFO winter raptor ID trip the next week, after which I
had given participants a list of useful books as well as for those
interested in hawk watching. He told me he had "all the hawk books." So I
suggested he read Paul Kerlinger's Flight Strategies of Migrating Hawks. He
has a good eye for IDing distant raptors, and has the making of a good hawk
watcher.
Non-raptor Observations:
WTSW 15, VGSW 2, NOFLI 1, SPTO 1, BTHU 1, CORA 4, MODO 1, BCCH 1.
Monarch butterfly 1.
Being a weekend there were about 12 paragliders, with seven taking off one
after the other. The ones at 10:00 a.m. DST did not have much lift and
could not even reach our level but by 10:45 a.m. they had good lift.
Predictions:
Mostly sunny, with a high near 88. Light and variable wind becoming east 5
to 7 mph in the afternoon.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/16/26 12:55 pm From: Peter Burke <peterburke...> Subject: [cobirds] Register Now for the Colorado Birding Challenge!
Hi everyone,
Registration is now open for the 2026 COBC on Saturday, September 5th. You
can visit *cobirds.org/cobc <http://cobirds.org/cobc>* to learn more and
register your team.
We have added a new category this year called the Big Sit. For this
category, you simply choose a location—whether it is your backyard or the
shores of John Martin Reservoir—and count as many species as possible.
If you have not participated in this event before, we encourage you to
join. To participate, review the four competition options, select the one
that works best for you, and register through Pledgeit. Only one person
from each competitive team needs to pay the registration fee; teammates can
select their team when registering without paying additional fees.
There is also a "Bird Your Own Way" option, which is completely free,
non-competitive, and customizable to how you would like to take part.
Last year we had 38 teams birding in 22 counties and we raised $20,000 for
CFO programs and conservation. We also generated over 400 eBird checklists,
a valuable documentation of Colorado's birdlife.
Good birding,
Peter Burke
CFO Board of Directors
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Date: 8/15/26 5:25 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (15 Aug 2026) 4 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 15, 2026
-------------------------------------------------------------------
Observation start time: 08:45:00
Observation end time: 11:15:00
Total observation time: 2.5 hours
Official Counter: Ajit Antony
Observers: Liza Antony
Visitors:
A family were interested in what we were looking at. They said they hiked
in Boulder earlier in the year, and one of the trails was closed because of
raptors. I told them it was probably breeding PG, which are also supposed
to breed on the Tiers of Zion along the NW face of Mount Zion.
Weather:
The prolonged and heavy rain yesterday had washed out most of the smoke
from the air, though there was some smoke close to the ground making Denver
hazy, though as the day wore on the haziness decreased to the point that I
could even see Denver International Airport to the east at 39 km without
optical aid. Cooler air but without the smoke the sun felt hotter on the
skin. Lots of cloud cover mainly cirrocumulus to the east with some
cumulus congestus developing later in the West, eventually becoming dark
nimbostratus. At the beginning of the 12:00 hour DST there was distant and
prolonged thunder, and my app showed it to be 7.6 miles away only - the
danger of being hit is if it is closer than 10 miles - and then it began
drizzling, so we left.
Raptor Observations:
The first migrant an RT was at 9:12 a.m. MST initially seen far to the
east, lost lift, then flying low in the gap between Green Mountain and
Lookout Mountain. All the migrants were very distant.
Non-migrant raptor sightings: CH 1, RT 6, TV 2.
Non-raptor Observations:
Migrating Common Nighthawk 13, VGSW 2, WTSW 1, BTHU 1, SPTO 1, GTTO 1 juv,
CORA 5, MODO 2.
Three paragliders starting at 10:00 a.m. DST with excellent lift.
Predictions:
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny,
with a high near 82. Light and variable wind becoming east 5 to 7 mph in
the morning. Earth.nullschool.net suggests winds aloft from the ESE.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/15/26 3:59 pm From: David Suddjian <dsuddjian...> Subject: [cobirds] BIRD BOMBS Colorful Colorado Conifers video is up
Check out the video of the latest DFO *BIRD BOMBS: Colorful Colorado Conifers <https://www.youtube.com/watch?v=eghhOgk6yME>.* Learning our trees is foundational to a keen appreciation and understanding of our birds and their forest habitats. ID of nine Colorado conifers is covered in this episode. Enjoy.
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Chico Basin Ranch will open to birders on Saturday August 22nd. You may register 7 days in advance. Please note that *bird banding will not begin until Monday August 24**.* The banding station will be closed on Sundays.
In addition, the State Land Board has asked us to move the porta potties inside the banding station area. They will now be located inside the fenced area near the north gate. Parking will continue to be in the usual spot.
For group registrations or questions: <chicoregistration...>
Aiken Audubon Colorado Springs
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Date: 8/14/26 7:31 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (14 Aug 2026) 7 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 14, 2026
-------------------------------------------------------------------
Observation start time: 08:45:00
Observation end time: 11:45:00
Total observation time: 3.25 hours
Official Counter: Ajit Antony
Observers: Liza Antony
Visitors:
An older man, a runner from Denver who had lived in Massachusetts for 50
years and back here for 2 years was interested whether we were looking at
birds and raptors. He said he loved birds, but was not aware of DFO. I
suggested he join, telling him of the 200-250 birding trips every year,
possibly the highest of any bird club in the country.
Weather:
We had 8 hours of fine misty rain yesterday which should have washed all
the smoke out of the air, but it looked the same as 2 days ago at the
watch, presumably new smoke was able to flow in with a thick gray brownish
layer over Denver more to the north than the South. Winds as usual from the
ENE because of local causes, though the winds aloft up to 0.5 miles above
the watch (750 hPa) predicted by earth.nullschool.net were initially from
the West, then WSW, and finally from the SW.
Mostly sunny, cooler after a front went through, with cumulus and
altocumulus clouds, and cumulus congestus from the west later on, with a
prediction of rain and thunderstorms by 2:00 p.m. Such weather is common
daily in Denver between May and August related to warm air moving NW from
the Palmer Divide meeting cooler air coming down from the mountains.
Raptor Observations:
The first local raptor was an an Rt at 958 a.m. DST . The first migrant
raptor was an AK at 10:02 a.m. DST. .
Non-migrant Raptors: RT , TV.
Non-raptor Observations:
Common Nighthawk 15 (migrants, as they are normally crepuscular, they were
flying to the SW and WSW, and mid-August is when they begin migration),
Rock Wren 1, GTTO 2, MOBL 3, BTHU 1, SPTO 1, VGSW 1, WTSW 1, CORA 5.
The initial paragliders at 10:18 a.m. DST did not have any lift not even
reaching our level, the ones at 10:47 a.m. had a little lift and the last
ones at 11:41 a.m. had extremely good lift going many hundreds of feet
above us, traveling both North and South.
Predictions:
A chance of showers and thunderstorms before 2pm. Partly sunny, with a high
near 80. Light and variable wind becoming ENE 5-7 mph in the afternoon.
Chance of precipitation is 70%. Zak, we will be at the watch both Saturday
and Sunday, at least until the rain / thunderstorms reach us.
========================================================================
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Date: 8/14/26 6:34 pm From: Audrey Hicks <audreyjhicks...> Subject: [cobirds] Fall Banding at the Kingery Nature Center
Hello birders!
This fall, Denver Audubon is once again partnering with Bird Conservancy of
the Rockies to band birds at the Kingery Nature Center, located at the
south end of Chatfield State Park.
The station has operated for many years during spring migration, but last
year we trialed a fall season for the first time, running for three weeks.
The results were exciting, so we’re expanding the trial this year! The
station will operate for eight weeks, on Tuesdays, Thursdays, and
Saturdays, from the last week of August through mid-October.
We hope to see you there.
Audrey Hicks
Bander, Denver Audubon + Bird Conservancy of the Rockies
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Date: 8/13/26 7:48 pm From: DAVID A LEATHERMAN <daleatherman...> Subject: [cobirds] Larimer and Weld
I ran my shrike route today just to get out of the apartment. Here are some random observations.
Hamilton Reservoir Overlook Black Tern (estimate 45) No loons or grebes that I could see Chipping Sparrows (molt migrants, flying over the parking area n to s) Vesper Sparrow (1 along res shore below the Overlook) Rattlesnake warning signs (at least 3) No rattlesnakes (still have never see one here, although it does look perfect for them) Shark? (an occasional large dorsal fin appears out of the water from one of the Asian Grass Carp introduced to eat algae, some of which are over 4 feet long and reportedly weigh 100 lbs!)
Larimer CR5 from Buckeye Road north to CR92 Lark Buntings (small groups roaming around) Sage Thrasher (3) Loggerhead Shrike (1)
Weld CR122 from US85 e to CR37 Sage Thrasher (3) Loggerhead Shrike (1)
Weld CR37 from 122 s to 114 Sage Thrasher (2) Cassin's Sparrow (1) Western Kingbird (a few) Western Wood-Pewee (1 on fence, obvious bird on the move) Common Nighthawk (10+ cruising low over the saltbush prairie) Lark Bunting (a few) Loggerhead Shrike (3) Saw four fresh items impaled near where I saw a pair of adult shrikes (thinking about a second brood?); [cid:<image001.jpg...>] [cid:<image002.jpg...>] [cid:<image003.jpg...>] [cid:<image004.jpg...>] From left to right: pallid-winged grasshopper (Trimerotropis pallidipennis); a scarab (Orizabus pyriformis); many-lined skink (Eumeces multivirgatus) and two-striped grasshopper (Melanoplus bivitattus)
Crom Lake (west of Pierce on Weld CR31 s of CR90 Very high water, both sides, very few birds, nothing noteworthy
Dave Leatherman Fort Collins
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Date: 8/13/26 7:20 pm From: Raymond Davis <davisblackdog...> Subject: [cobirds] Evening Grosbeaks in Larimer County
having not seen them here for 5-6 years, surprised to see 8 Evening Grosbeaks this evening. They were interested in sunflower seed feeder, and water.
Davis at 6,000 ft, 4 miles NW of Lyons, open Ponderosa and rock (picture Virginia Dale)
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Date: 8/12/26 5:42 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (12 Aug 2026) 2 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 12, 2026
-------------------------------------------------------------------
Observation start time: 09:00:00
Observation end time: 11:00:00
Total observation time: 2 hours
Official Counter: Ajit Antony
Observers:
Weather:
Smoke still blanketed Denver. At the watch the winds were from the ENE
caused by local factors related to Denver, though the winds aloft (using
the earth.nullschool.net app)
at 700 hPa corresponding to an elevation of 10,000 ft above sea level at
which level raptors could be flying- the watch is at 7062 ft MSL - showed
the winds coming directly from the north, an infrequent wind in fall
according to my meteorology mentor in Denver, Bryan Guarante, and which
usually brings rain and thunderstorms. On the other hand the clouds were
moving towards the NNE, and checking the app at 500 hPa corresponding to an
elevation of 6,500 to 23,000 ft AGL the predicted winds were from the WSW
to ENE which is pretty close. Good altocumulus cloud cover 30-45-75%, and
in the last 30 minutes dark clouds were moving in from the West with
distant thunder which came closer. I checked the My Lightning app and there
were lightning strikes 11.5 mi away near Floyd Hill to the West. With the
winds I thought the strikes made pass north of the watch, but there were
other lightning strikes reported SW of the watch which would bring them
directly over the watch, so I left. 10 minutes later when I checked, there
were lightning strikes only 5 miles from the watch!
Raptor Observations:
Yay! While watching a local male AK chasing a local CH I had our first
migrant Swainson's Hawk at 11:38 a.m. DST, directly overhead, visible to
the unaided eye, confirmed with my spotting scope to be an adult. Most
Swainson's Hawk being plains birds migrate along a broad front through the
plains of Montana, Wyoming and Eastern Colorado and only a minority
presumably use the ridges of the foothills of the Rockies.
https://explorer.audubon.org/explore/species/945/swainson-hawk/migration?sidebar=collapse&<zoom...>&<x...>&<y...>&<range...>%2C0.8404 A CH migrating at 10:20 a.m. DST.
Non-migrant Raptors: 4 RT at 10:14 a.m. DST, TV 5.
Non-raptor Observations:
Rock Wren 1, MOBL 1, CORA 3 with two of them at one point chasing an adult
TV.
A single paraglider at 10:56 a.m. who had good lift, so should the raptors
using this area.
Predictions:
A slight chance of showers before noon, then a chance of showers and
thunderstorms between noon and 3pm, then showers and possibly a
thunderstorm after 3pm. High near 80. Light and variable wind becoming
north 5 to 7 mph in the morning. Chance of precipitation is 80%.
I have a mid-morning meeting every Thursday, and had thought of coming
after that except for the showers and thunderstorms by noon, so I will not
likely watch tomorrow.
========================================================================
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I saw a similar colored Magpie with Cole Wild and his family, on July 1,
2026, on Mills Drive in Estes Park.
List and photo attached. Cole probably got better photos.
Pat Cullen
Longmont, CO
On Monday, August 10, 2026 at 9:39:13 PM UTC-6 Danielle Menapace wrote:
> Hello
> I was at my Cabin in Estes Park and captured this white magpie. Thought I
> should share. Thank you.
>
> Danielle Menapace
>
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Hello I was at my Cabin in Estes Park and captured this white magpie. Thought I should share. Thank you.
Danielle Menapace
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Sent from my iPhone
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Date: 8/10/26 5:55 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (10 Aug 2026) Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 10, 2026
-------------------------------------------------------------------
Observation start time: 09:45:00
Observation end time: 13:45:00
Total observation time: 4 hours
Official Counter: Ajit Antony
Observers:
Visitors:
A few visitors were interested in what I was doing. 2 young women asked
which hawks I was looking for when I told them I was looking for migrating
Raptors, and when I said I could see up to 14 species their comment was
That's really cool.
A man with his 4-year-old daughter had a picnic on the rocks at the watch.
Talking to him it turned out that until the age of 4 he lived in Cornwall
on Hudson, only a mile from where I lived for 38 years! Thereafter he
lived in Highland Falls which is the town next to the West Point Military
Academy where his father was a professor. A man with his family found a
raptor overhead, he was puzzling what it was, I was able to tell him it was
a CH, I also pointed out to distant RT over Lookout Mountain which they
enjoyed looking at.
Weather:
The winds were initially from the West, turning to NNW with gusts from the
NE, the local winds we usually get in the afternoon. Heavy cloud cover,
Altocumulus. Minimally less smoke than 2 days ago to the point that Denver
could barely be seen and by the 2:00 p.m. DST hour I could actually see the
buildings of downtown Denver with my binoculars and all of the area east of
Denver including the radomes of Buckley AFB and even the airport at 39 km
without binoculars, none of which I have been able to see since August 1st.
By the end of the watch dark clouds came in. My MyLightning app showed
lightning to the South 56 miles away, but when I heard a roll of thunder, I
got off the mountain as soon as I could. In the morning I thought that we
needed a good rain to wash out the smoke from the atmosphere. PM 10 was
'good' while PM 2.5 was moderate and ground level ozone was at a moderate
level.
Raptor Observations:
With mainly West Winds which are inimical to raptor migration in this area,
I counted no migrants today, but plenty of local raptor activity to keep me
busy.
Non-migrant Raptors: juvenile GE to the NW low over the ridges; CH 1-3 once
seen close up with a bluish back, an adult male; RT 6; TV 7 together.
Predictions:
Local forecast for Golden Colorado: A 30 percent chance of showers and
thunderstorms, mainly after 3pm. Mostly sunny, with a high near 93. West
wind 6 to 8 mph becoming east northeast in the afternoon.
earth.nullschool.net predicts light NNW winds changing to NE winds, aloft.
========================================================================
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Date: 8/10/26 5:41 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] Re: A preview of fall banding - Training Days at Barr Lake!
Hi Folks, Thanks to the reader who noted that I don't know what MONTH it
is!! The banding station is opening on *AUGUST 22!!* Meredith
On Monday, August 10, 2026 at 5:20:19 PM UTC-6 Meredith McBurney wrote:
> Hi CoBirders,
>
> It is almost time for fall banding! In preparation, we put up a few nets
> at the feeders near our Barr Lake office and spent a few hours over 4
> mornings doing some training/tune-up with our Barr Lake and Chatfield
> volunteers. This was the first time we did this in the fall at our Barr
> Lake office location, and we were very pleased with the results, both in
> terms of the number of birds caught but also the diversity.
>
> In spite of having the feeders full, the majority of the birds caught were
> insect eaters, led by the Yellow Warblers. We should expect YEWAs to be
> our most common species at this time of year, but were pleasantly surprised
> at how many we caught at this location. Most of them hatched this year,
> which is exactly what should happen now. (Hint: If you are interested in
> learning about YEWAs, how to tell young from adults, males from females,
> etc., visit the station during the first week or so. After that they will
> be off to their wintering grounds.)
>
> Most interesting birds caught:
>
> A very young Savannah Sparrow - A species rarely caught at Barr Lake. We
> did every measurement Pyle suggested in our quest to properly ID this bird.
>
> An Eastern (based on all measurements) Warbling Vireo - It was interesting
> to see our first likely Eastern WV after our spring at Chatfield, where the
> 7 we caught all appeared to be Western.
>
> Here's the breakdown of the 76 birds we caught:
>
> Downy Woodpecker 2
> Western Wood-pewee 6
> Eastern Warbling Vireo 1
> Blue Jay 1
> Barn Swallow 1
> Black-capped Chickadee 6
> White-breasted Nuthatch 2
> Northern House Wren 4
> Yellow Warbler 39
> Chipping Sparrow 1
> Savannah Sparrow 1
> Red-winged Blackbird 4
> Common Grackle 4
> House Finch 4
>
> We will officially open bright and early on Saturday, September 22. We
> are thrilled to be returning to our traditional location after two years in
> a temporary location due to the construction on the dam. They avoided
> doing major damage to the habitat where the station is located, so we are
> very much looking forward to being back "home".
>
> We are open for visitors starting bright and early the first morning!
> Please join us; *reservations are required* and you can sign up on the
> Bird Conservancy website here
> <https://campscui.active.com/orgs/BirdConservancyoftheRockies?e4q=18a2d1bc-2a17-46e2-b8b5-c22e2c2cca20&e4p=9a994b89-9597-4226-b970-a790c896cb20&e4ts=1786403775&e4c=active&e4e=snlvcmpscui00001load&e4rt=Safetynet&e4h=da381816406e72b3c4ebc3d827faa290&newcui=true>.
> There are still spots available on the opening weekend and we would love
> for you to join us as we celebrate our return!
>
> Let me know if you have questions,
>
> Meredith
>
> Meredith McBurney
> Bander
> Barr Lake Banding Station
>
>
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Date: 8/10/26 4:20 pm From: 'Meredith McBurney' via Colorado Birds <cobirds...> Subject: [cobirds] A preview of fall banding - Training Days at Barr Lake!
Hi CoBirders,
It is almost time for fall banding! In preparation, we put up a few nets
at the feeders near our Barr Lake office and spent a few hours over 4
mornings doing some training/tune-up with our Barr Lake and Chatfield
volunteers. This was the first time we did this in the fall at our Barr
Lake office location, and we were very pleased with the results, both in
terms of the number of birds caught but also the diversity.
In spite of having the feeders full, the majority of the birds caught were
insect eaters, led by the Yellow Warblers. We should expect YEWAs to be
our most common species at this time of year, but were pleasantly surprised
at how many we caught at this location. Most of them hatched this year,
which is exactly what should happen now. (Hint: If you are interested in
learning about YEWAs, how to tell young from adults, males from females,
etc., visit the station during the first week or so. After that they will
be off to their wintering grounds.)
Most interesting birds caught:
A very young Savannah Sparrow - A species rarely caught at Barr Lake. We
did every measurement Pyle suggested in our quest to properly ID this bird.
An Eastern (based on all measurements) Warbling Vireo - It was interesting
to see our first likely Eastern WV after our spring at Chatfield, where the
7 we caught all appeared to be Western.
Here's the breakdown of the 76 birds we caught:
Downy Woodpecker 2
Western Wood-pewee 6
Eastern Warbling Vireo 1
Blue Jay 1
Barn Swallow 1
Black-capped Chickadee 6
White-breasted Nuthatch 2
Northern House Wren 4
Yellow Warbler 39
Chipping Sparrow 1
Savannah Sparrow 1
Red-winged Blackbird 4
Common Grackle 4
House Finch 4
We will officially open bright and early on Saturday, September 22. We are
thrilled to be returning to our traditional location after two years in a
temporary location due to the construction on the dam. They avoided doing
major damage to the habitat where the station is located, so we are very
much looking forward to being back "home".
Meredith McBurney
Bander
Barr Lake Banding Station
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Date: 8/10/26 7:38 am From: David Suddjian <dsuddjian...> Subject: [cobirds] BIRD BOMBS: Colorful Colorado Conifers this Thursday Aug 13 7PM
Hi CoBirders,
Register now for DFO's BIRD BOMBS: Colorful Colorado Conifers <https://us02web.zoom.us/webinar/register/WN_teMYQ8h0RuKsschVIJiKbQ?ampDeviceId=5585655f-94c1-4415-ae#/registration>, set to explode this Thursday August 13 at 7PM Mountain Time. Here ois a unique opportunity to learn to identify and appreciate the conifer trees of Colorado, and how they occur on the landscape. Trees are principal bird habitat elements that define our forests. A greater understanding of the kinds of trees will inform your understanding of Colorado birds and their habitat choices, and can help you know where to look for certain species.
David Suddjian Littleton CO [image: BIRD BOMBS Colorful Colorado Conifers.png]
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Date: 8/9/26 6:02 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (09 Aug 2026) 1 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 09, 2026
-------------------------------------------------------------------
Observation start time: 07:45:00
Observation end time: 09:45:00
Total observation time: 2 hours
Official Counter:
Observers: Zak Hepler
Visitors:
Many hikers came and went during my time birding. Maybe it was due to me
having a scope, binoculars, a Rocky Mountain Raptor Program T-shirt, and
wearing my golden eagle hat that nobody asked me questions about my
activities.�
Weather:
The winds aloft suggested by earth.nullschool.net were light from the West,
the same as yesterday when I had no migrant raptors, so I thought I'd give
my muscles a rest as my peroneal and sartorius muscles have been cramping
at night because of the unaccustomed exercise of climbing 294 ft to the
watch daily carrying around 25 lb. of equipment, food and drink.
I got a pleasant surprise email in the evening from Zak Hepler who had
joined us last winter for one of our DFO winter raptor ID trips, and who
had gone up to the watch. This is his report:
The beginning of the shift started with winds blowing slightly South, but
turned to winds blowing to the West by 9 AM DST. Sky conditions were still
hazy from the wildfire smoke. The city of Denver was mostly lost in the
haze, but the North and South Table Mountains could be seen.�
Raptor Observations:
Within the first 30 mins, I had seen 2 RTHAs use the same woody ridge that
is found just South of Mount Zion. One soared and landed in a pine, but the
other gained altitude and went around the eastern edge of the hills;
keeping the ridges on its right. Later, 2 AMKE flew by both heading South
in frantic falcon fashion. Were the AMKE migrating? Hard to say. Later, one
juv RTHA was able to gain altitude right above the Watch! I watched the
bird circle, and soar, starting only 30m above my head. The banded tail (no
red) helped determine the age. This bird, once proper altitude was reached,
headed North. The Western winds did not help the raptor sightings.�
Non-raptor Observations:
In total, 5 different paragliders were seen this morning. The
raptor-adverse winds moving from the West helped the brave gliders take off
and enjoy the hazy morning. With my binoculars I could see that the people
were having a great time and their experiences were being recorded with a
'selfie stick'. These gliders started taking off around 10 AM near the
windsock to the NE of the Watch. Before I left, somebody started playing
tribal music around 10:40 AM. Native American drumming and chants sung and
played very loudly. Sounded like a ceremony. The music was played live.
Pretty neat. My hawk mentor/friend, Ajit, was not present today. Much to my
dismay.
BTHU 3, WOSJ 2, AMCR 2, BARS 2, PISI 2, LEGO 2, SPTO 3.
Predictions:
Earth.nullschool.net predicts light WNW which which may result in the same
lack of migration as today, but Tuesday has winds streaming down from the
north, blowing from the NE at the location of this watch, which could be
favorable.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/9/26 8:37 am From: mike <mike...> Subject: [cobirds] Re: Next BIRD BOMBS Aug 13 Colorful Colorado Conifers
Great idea, David. Looking forward to this program. Birders are always
looking into trees, but often would like to know more about the tree
itself.
-Mike Fernandez
Denver
On Saturday, July 11, 2026 at 7:15:05 PM UTC-6 David Suddjian wrote:
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Date: 8/8/26 6:44 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (08 Aug 2026) 1 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 08, 2026
-------------------------------------------------------------------
Observation start time: 08:45:00
Observation end time: 12:00:00
Total observation time: 3.25 hours
Official Counter: Ajit Antony
Observers:
Visitors:
Many hikers were interested. When I got there a young man said it was a
great view, and I said that's why we chose this spot for the hawk watch
with unobstructed views in all directions. A young couple were interested
in what I was doing and we discussed counting migrant raptors, which they
thought was Awesome. We discussed the particulate matter in the air and
ozone levels. He asked if I were a geographer, and I said hawk watchers
need to know meteorology as well as local air quality to know when to wear
masks. He said he worked with children and some days they wouldn't allow
them to play outside. I showed them two distant TVs which I could see with
binoculars, and suggested they could probably see them naked-eye because of
their youth, and sure enough they could. That's so cool, they said. An
older hiker asked me what I was taking pictures of, and I explained that
this was a 'scope, and what I was doing. Two women with him asked numerous
questions about raptor migration and why they do so, flocking rehavior of
raptors, use of thermals by raptors, and the 14 species of raptors we could
see here, and that wherever possible I tried to separate them as to
adult/immature and male/female. Two young men I could see were listening
intently, and after the 3 hikers went off, the young men said that they
found what I had said was fascinating, and we discussed it further. A young
man who had just moved from Texas 3 days ago, doing postgraduate work in
geology at the School of Mines, the engineering school in Golden, Colorado,
asked me if this was a trail going NE down from the top of Mount Zion. I
said it probably led to the windsock and the spot where paragliders take
off from. On his way back we chatted for a long time about my interest in
geology and paleontology- I told him about the importance of South Table
Mountain being the first place in the world that the K-T (now called K-Pg)
boundary was described, which marks when the asteroid hit the earth that
ended the reign of the dinosaurs, where the first T.Rex tooth was found 40
years before the first T.Rex fossil was identified, so they had no idea
what it was.
I realized that my function at the watch when there are not many migrant
raptors is to be an educator and get people to open their minds to hawks
and their migration.
Weather:
The high was expected to be 100�F, which I took to mean that there was
going to be less smoke from wildfires in the air, and there was minimally
less smoke, though there was a layer of smoke covering Denver downtown
which I could barely see. PM <10 and PM <2.5 were both in the moderate
range, and ground level ozone was high. Because of the higher cloud cover
of altocumulus floccus stratiformis and altostratus it was intermittently
cooler when their shadows came over the watch. By 10:00 a.m. MST the local
winds from the ENE overpowered the winds from the West, which I could still
feel on the west side of the top of Mount Zion, showing it was still there.
Raptor Observations:
I counted no migrants today though I scanned with binoculars assiduously
and systematically. However there was a lot of local raptor activity and
sightings: adult GE 1, CH 2, RT 8 including 4 together, TV 10, the 1st of
which was aloft at 10:08 a.m. DST.
Non-raptor Observations:
Common Nighthawk migrants 3, Rock Wren 1, WBNU 1, AMCR 3, CORA 1.
Predictions:
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Areas
of smoke. Partly sunny, with a high near 96. West wind 5 to 8 mph becoming
northeast in the morning.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/7/26 5:18 pm From: <reports...> Subject: [cobirds] Mount Zion Hawk Watch at Windy Saddle Park (07 Aug 2026) 4 Raptors
Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado.
To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site.
EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID.
See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
Daily Raptor Counts: Aug 07, 2026
-------------------------------------------------------------------
Observation start time: 09:30:00
Observation end time: 12:30:00
Total observation time: 3 hours
Official Counter: Ajit Antony
Observers: Liza Antony
Visitors:
A couple from DC visiting theeir son in Denver were curious about what I
was doing with my binoculars in scope, which I explained.
Weather:
Earth.nullschool.net showed sinuous streams of wind coming down from Canada
through the area of this watch, which would be good, if raptors were
migrating, creating a good channel Southward. At the watch the winds were
from the ENE caused by local factors which usually result in winds every
afternoon from the East, viz. Plains Heating: Intense daytime sun rapidly
bakes the Denver metro area and the lower Golden-area terrain, making the
air warm, light, and buoyant.
Anabatic Upslope Flow: As that warm air rises over the lower landscape, it
creates a localized vacuum effect, drawing air from the east
(Denver/plains) upslope toward the mountain crests.
Ridge Lift Interaction: The steep topography of Mount Zion and Lookout
Mountain acts as a ramp, enhancing this upslope pull by afternoon and
overpowering lighter synoptic morning wind patterns.
The smoke from wildfires was minimally less than 2 days ago but high enough
that there was a 10� layer of white smoke above the ground almost blotting
out Denver downtown. Address relatively cool in the'80s and '90s because of
the microscopic particular pattern the smoke dissipating the Rays of the
sun from hitting the ground.
Raptor Observations:
Migrant Raptors: 2 Redtails, a CH and an AK (the AK took a swipe at the CH
in flight) today that I could find.
Non-migrant raptors sightings: a Prairie Falcon missing its central
retrices, seen to the NW at the level of the ridges flew south, dropped
into the trees on the North face of Lookout Mountain. RT 3. TV 4.
I wondered whether there was any information available weather raptors or
other birds would migrate through smoke. I looked it up and found that they
may sit it out, fly through the foothills where there may be less smoke
which they were not doing here, or fly above the smoke up to 12,000 ft.
Looking at the Soaring Forecast of the NWS
https://forecast.weather.gov/product.php?site=NWS&product=SRG&issuedby=BOU,
since the trigger temperature of 89.1 F/31.7 C was reached by 12:00 p.m.
MST, the Thermal Soaring Index was Excellent, the Maximum rate of Lift
would be 1484 ft/min (7.5 m/s), and the Maximum height of thermals would be
20479 ft MSL (15114 ft AGL). Smoke would increase raptors' oxygen
requirements in flight and damage their delicate lung sacs preventing long
distance flying. GPS-tracked migrating flocks deviate hundreds of miles off
course or circle back to steer clear of thick particulate matter.
https://pmc.ncbi.nlm.nih.gov/articles/PMC9286671/;
https://naturecanada.ca/news/blog/when-the-sky-turns-gray-what-smoke-means-for-birds/;
https://www.audubon.org/news/new-study-first-explore-how-wildfire-smoke-derails-bird-migration.
Non-raptor Observations:
As we drove towards the watch at 10:00 a.m. DST we saw two paragliders at
ridge top level, we could see the same two at 11:19 a.m. 200 ft above the
mountains to the north and by 12:20 p.m.they were back around the watch.
Other paragliders initially had difficulty getting any lift. I could see
one going in a circle within a thermal but not gaining much height,
eventually managed to go up a few hundred feet above the watch level.
CORA 4, WTSW 1, VGSW 1, WBNU 1.
Predictions:
Mostly sunny and hot, with a high near 100, which could mean less smoke.
West wind 7 to 9 mph becoming northeast in the afternoon. Winds could gust
as high as 15 mph.
========================================================================
Report submitted by Ajit Antony (<aiantony...>)
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Date: 8/7/26 12:43 pm From: Ryan Cheney <ryan.cheney6...> Subject: Re: [cobirds] Common Nighthawk, Louisville, Boulder County
I've seen a pair in our Louisville neighborhood as well as above Walden
Reservoir in North Park.
I get pretty excited to see them because the Common Nighthawk isn't so
common anymore, but maybe they're recovering a little?
Here's a pic I took in Walden.
[image: Common Nighthawk IF, Walden Resevoir, 8-25.jpg]
On Thu, Aug 6, 2026 at 8:14 PM Gary & Sharon <gebsmn...> wrote:
> This evening just before 7:30 PM I glanced out the window to check out the
> hummingbird feeder, but instead I noticed Common Nighthawks soaring over
> the cul-de-sac. There must have been at least 20 plus a Barn Swallow or
> two. It reminded me of the late 1990’s and the 5:00 PM hour when the
> nighthawks were very regular.
>
> Sharon Norfleet
> Near South Boulder Rd and W Centennial Drive,Louisville
> Boulder County
> Sent from my iPad
>
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Date: 8/6/26 7:48 pm From: David Tønnessen <davidtonnessenx...> Subject: Re: [cobirds] Lake Granby frigatebird
Folks, just a note that at least two out of three sightings of the
frigatebird; both the eBird submission from yesterday on August 5th, and
the photographs submitted to the CBRC from August 1 and 2, were all taken
from sometime around 7:30 in the evening in or near Rainbow Bay.
Frigatebirds can soar quite high during the day with good thermals, even
when not actively traveling long distances, and will hang out quite low
over their roosting site before landing for the night.
For anyone in the area in the next few days, I would still keep an eye out
for a frigatebird in Rainbow Bay after 7 pm, just in case.
David Tønnessen
Denver, CO
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Date: 8/6/26 7:14 pm From: Gary & Sharon <gebsmn...> Subject: [cobirds] Common Nighthawk, Louisville, Boulder County
This evening just before 7:30 PM I glanced out the window to check out the hummingbird feeder, but instead I noticed Common Nighthawks soaring over the cul-de-sac. There must have been at least 20 plus a Barn Swallow or two. It reminded me of the late 1990’s and the 5:00 PM hour when the nighthawks were very regular.
Sharon Norfleet
Near South Boulder Rd and W Centennial Drive,Louisville
Boulder County
Sent from my iPad
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Date: 8/6/26 6:12 pm From: Scott Hammel <scottahammel...> Subject: Re: [cobirds] Lake Granby frigatebird
I also gave it a shot trying to see the frigatebird up here in Granby this
afternoon. Osprey and Turkey Vultures were plentiful, but no frigatebird.
Will be up here all weekend so I'll be keeping my eye out!
Scott Hammel
Arapahoe County
On Thu, Aug 6, 2026 at 6:03 PM '<greatgrayowl...>' via Colorado Birds <
<cobirds...> wrote:
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Date: 8/6/26 5:48 pm From: Lynne Forrester <lforrester27...> Subject: [cobirds] September Fall Counts Lists
I was wondering if there is a list of dates and places for the fall counts available yet.
Lynne Forrester Jefferson County
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Date: 8/6/26 5:03 pm From: '<greatgrayowl...>' via Colorado Birds <cobirds...> Subject: [cobirds] Lake Granby frigatebird
Hi all:
The recent report of a Magnificent Frigatebird at Lake Granby is interesting. However, the photo provided in the eBird checklist does not rule out any other species of frigatebird. One photo I've seen suggests that the bird has a white axial spur, which suggests Lesser Frigatebird (LEFR) or, even less likely, Christmas Island Frigatebird (CIFR).
There are zero records of CIFR in the ABA Area, although the great wanderings of many frigatebird species suggest that almost any species could occur almost anywhere. However, there are six previous ABA-Area records of LEFR, including Wyoming's only frigatebird record.
Given that another photo I've seen of the Lake Granby frigatebird does not show a white axial spur, the bird might not sport that feature, but none of the photos I've seen are anything close to what we might call good photos, so any specific ID one might want to paste upon the bird is suspect. It's certainly a frigatebird, but its specific identification is well beyond certainty given the photos available.
Who knows where that bird went after visiting Lake Granby, but it could be almost anywhere... including Wyoming, so keep watching the sky.
Sincerely,
Tony
Tony LeukeringCurrently Cut Bank, MTeBird blog
eBird commentaryPhotos
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Date: 8/6/26 1:55 pm From: Adrian Lakin <adrianlakin1...> Subject: Re: [cobirds] Magnificent Frigatebird
I had nothing better to do today, so I drove over to Lake Granby. No luck
on the Frigatebird after 4hrs. I drove the south and west shores twice,
went over to Willow Creek reservoir and to Shadow Mountain lake, but no
luck. It could just be roosting in a tree.
Cheers,
Adrian Lakin,
Mead, CO
On Thu, Aug 6, 2026, 8:53 AM Scott Somershoe <ssomershoe...> wrote:
> Connecticut had a lesser frigatebird in late June as well.
>
> [image: 1200.png]
>
> eBird Checklist - 24 Jun 2026 - Falkner Island - 1 species
> <https://ebird.org/checklist/S377967035> > ebird.org <https://ebird.org/checklist/S377967035> > <https://ebird.org/checklist/S377967035> >
>
> Scott Somershoe
> JeffCo
>
>
> Sent from my iPhone
>
> On Aug 6, 2026, at 8:37 AM, Nathan Pieplow <npieplow...> wrote:
>
>
> Hi Peter et al.,
>
> Two Lesser Frigatebirds have been reported in the US this year, one in
> Ohio and one in California. (See
> https://www.aba.org/lesser-frigatebirds-in-ohio-and-california/). This
> species can be difficult to separate from Magnificent Frigatebird; key
> marks include white on the axillary feathers and sometimes a pinkish bill.
> Peter, is there any chance you can make the photos from Aug 1-2 available?
> If it's a Lesser Frigatebird it would be a first state record and the 8th
> for the ABA area. (One of the accepted Lesser Frigatebird records is from
> Wyoming.)
>
> Anybody who chases this bird today should try to get good looks and photos
> to confirm which frigatebird species is involved.
>
> Nathan Pieplow
> Boulder
>
> On Thu, Aug 6, 2026 at 7:11 AM Peter Gent <gent...> wrote:
>
>> All,
>>
>> Late yesterday evening, I received an email with a report of a female
>> Magnificent Frigatebird from Rainbow Bay in Lake Granby. This report is now
>> on eBird. I then found a CBRC report of the same bird seen along the south
>> shore of Lake Granby on August 1 and 2. This report has a better, but not
>> great, photograph. So, it looks like the bird has been there for a few
>> days. This would be the 5th state record of this species in Colorado.
>>
>> Cheers, Peter Gent.
>> Boulder.
>>
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>>
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Date: 8/6/26 9:47 am From: Peter Gent <gent...> Subject: [cobirds] Frigatebird photos
All,
Attached are the photos from the record submitted to the CBRC. Cheers, Peter Gent.
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Two Lesser Frigatebirds have been reported in the US this year, one in Ohio
and one in California. (See
https://www.aba.org/lesser-frigatebirds-in-ohio-and-california/). This
species can be difficult to separate from Magnificent Frigatebird; key
marks include white on the axillary feathers and sometimes a pinkish bill.
Peter, is there any chance you can make the photos from Aug 1-2 available?
If it's a Lesser Frigatebird it would be a first state record and the 8th
for the ABA area. (One of the accepted Lesser Frigatebird records is from
Wyoming.)
Anybody who chases this bird today should try to get good looks and photos
to confirm which frigatebird species is involved.
Nathan Pieplow
Boulder
On Thu, Aug 6, 2026 at 7:11 AM Peter Gent <gent...> wrote:
> All,
>
> Late yesterday evening, I received an email with a report of a female
> Magnificent Frigatebird from Rainbow Bay in Lake Granby. This report is now
> on eBird. I then found a CBRC report of the same bird seen along the south
> shore of Lake Granby on August 1 and 2. This report has a better, but not
> great, photograph. So, it looks like the bird has been there for a few
> days. This would be the 5th state record of this species in Colorado.
>
> Cheers, Peter Gent.
> Boulder.
>
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Date: 8/6/26 6:11 am From: Peter Gent <gent...> Subject: [cobirds] Magnificent Frigatebird
All,
Late yesterday evening, I received an email with a report of a female Magnificent Frigatebird from Rainbow Bay in Lake Granby. This report is now on eBird. I then found a CBRC report of the same bird seen along the south shore of Lake Granby on August 1 and 2. This report has a better, but not great, photograph. So, it looks like the bird has been there for a few days. This would be the 5th state record of this species in Colorado.
Cheers, Peter Gent. Boulder.
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