Date: 8/19/25 11:21 am From: Allen Chartier <amazilia3...> Subject: Re: [birders] Yellow-Billed Cuckoos and Fighter Jets
Dody,
Young male and young female hummingbirds look like adult females, and are
surely in the mix. Adult males leave the UP by Labor Day and probably
sooner from the Keweenaw.
On Tue, Aug 19, 2025, 11:54 AM Dody Wyman <dody...> wrote:
> Speaking of hummingbirds, we are at our cabin on Lake Superior in the
> Keweenaw Peninsula. I have three hummer feeders, fill them about once
> every day, and have anywhere between 7 and 15 or so at one time arguing
> over them. They are all females… Is this because the males have gotten a
> head start south? It’s an amazing sight to watch. Starts at dawn and goes
> well into dusk most days.
>
> Dody
>
> On Aug 19, 2025, at 6:13 AM, Fred Kaluza <fkaluza...> wrote:
>
> A couple days ago I heard the very distinctive call of a Yellow-Billed
> Cuckoo nearby and it made me remember I’d heard this before in other places
> in Michigan but always at this time of year. I was not able to spot the
> bird and it’s call was too faint for Merlin (on my phone) or my Birdweather
> PUC to capture. Is August noted for post-fledge dispersal or are these
> birds engaged in some kind of migratory or pre-migratory or territorial
> establishment behavior at this time of year? Secondly, I’ve been outdoors
> enough lately to be treated to the Ruby-Throated air show. Just putzing
> around the yard while the Hummingbirds engage in aerial combat or warfare
> or mating when they come within a foot of my head and do whatever they do
> to make their feathers rattle. In all cases it seems one is pursuing
> another at high speed and it seems the sound produced is quite
> intentional. For modelers, I’m wondering what “scale speeds” they move at
> and how many “G” forces they subject themselves to?
>
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