Totally!
A *blue jay* or *blue jays* around Greenlee Wildlife Preserve, Boulder
County, has been doing brilliant *Cooper hawk* imitations for the better
part of a year now.
Not just an isolated *kek* or series thereof, but, rather, the entire
repertoire:
*kek... kek... KEK! kek...kek-kek-kek-kek-kek KEK! kek...*
Gets me every time.
I assume this is a relatively new thing with Denver metro region *Cooper
hawks,* given that the species began its extraordinary continent-wide
urbanization only in the past 40 years. I'd never noticed it myself until
the past year or so.
On another front, I can report that there was an extraordinary
migration of *dainty
sulphurs,* *Nathalis iole*, this past Sat., Oct. 9, at Rocky Mountain
Arsenal National Wildlife Refuge, Adams County. The winds were brutal, but
the clever butterflies were migrating just inches above the ground on a
broad front southward--even though the prevailing winds were straight out
of the west. Alejo Williams Viveros and I counted hundreds, and probably
saw thousands.
Good "migration" of *tumbleweeds,* *Kali tragus*, out there, too, haha. But
they were headed east...
Bird-wise, things were challenging. We had one (*n*=1) each of *pectoral
sandpiper, long-billed dowitcher, Wilson snipe,* and *greater yellowlegs.*
Decent numbers of *festive tiger beetles,* *Cicindela scutellaris*, in
appropriate habitat, and a nice *showy grasshopper* (a. k. a. *handsome
purple-striped grasshopper*), *Hesperotettix speciosus*.
Ted Floyd
Lafayette, Boulder County
On Sun, Oct 10, 2021 at 8:56 AM Elena Holly Klaver wrote:
> The blue jays in my yard have been doing very good Cooper’s hawks
> imitations, as well. I have been fooled a couple of times; the imitations
> are better than their imitations of red tailed hawks.
>
>
>
> Sent from my iPad
> Elena Holly Klaver
> United States Court Certified Interpreter
> Conference Interpreter
> 303.475.5189
>
> Member: American Translators Association
> Colorado Translators Association
> Colorado Association of Professional Interpreters
>
> I acknowledge that I live in the territory of Hinóno’éí (Arapaho),
> Cheyenne and Ute Nations according to the 1851 Treaty of Fort Laramie, and
> that Colorado’s Front Range is home to many Native peoples. Reconozco que
> vivo en el territorio de las naciones Hinóno’éí
> (Arapaho), Cheyenne y Ute, según el 1851 Tratado de Fort Laramie, y que
> el estado de Colorado al este de las Montañas Rocosas es territorio de
> muchos pueblos indígenas.
>
> > On Oct 10, 2021, at 8:44 AM, Paula Hansley
> wrote:
> >
> > CObirders,
> > I throw out peanuts at sunrise for my Blue Jays. The jays have gotten to
> expect this treat, so they have started arriving before sunrise. They make
> so much noise that they wake up the neighbors unless I throw out peanuts!
> >
> > One jay has figured out how to have the peanuts to himself: he arrives
> first and sits in my maple tree calling like a Cooper’s Hawk! At first, I
> thought it was a hawk, but I could never find it. This smart bird has the
> peanuts to himself for the first five minutes or until he has had his fill!
> >
> > Paula Hansley
> > Louisville
> >
> > Sent from my iPhone
> >
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