Date: 11/28/25 3:29 pm From: David Hyde <davidhyde1951...> Subject: Re: [cobirds] Blue goose
Thank you all for your remarks. I've studied the photos i took and those
online and it does look more like a Ross'sXCackling hybrid. I note that
Peter Burke spotted one on Lake McIntosh in January 2018! Not a rarity but
I've never seen one before so, happy to record this hybrid in my records
and spend a pleasant few hours sorting it out :)
On Fri, Nov 28, 2025 at 3:37 PM David Suddjian <dsuddjian...> wrote:
> Hi,
>
> I think that is a hybrid Cackling x Ross's or Snow. Blue forms have more
> dark extending up the neck, differently patterned wing (more fancy) and
> quite a dark neck on Ross's (the Blue form of which is quite rare). And the
> goose it is with here is a Cackling - small size, small bill, steep
> forehead.
>
> The hybrid "cheeked" x white geese are fairly regular, usually with
> Cackling as their breeding range overlaps. Real blue morphs are fairly rare
> in the Front Range area but common our east in the prairie counties like
> Logan and Washington.
>
> David Suddjian
>
> On Fri, Nov 28, 2025 at 3:29 PM David Hyde <davidhyde1951...>
> wrote:
>
>> Hey Cobirders, I just spotted this goose in with hundreds of Canada geese
>> on Lake McIntosh in Longmont. Does it qualify as an adult blue-morph Ross's
>> goose?
>>
>> [image: P1140673.JPG]
>>
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