[cobirds] Black Terns On Land Prowers County

['Dan Stringer' via Colorado Birds]

A large variety of fun species are still being seen in SE CO. Among 91 sp. 
on the 14th were a pair of Rose-breasted Grosbeaks at Hasty GC (Bent), a 
White-eyed Vireo in Lamar CC Woods (Prowers) ID'd by Dave L, and an Indigo 
Bunting at Holly rest area. On the 15th a Chestnut-sided Warbler was at 
Melody Tempel Grove (Bent) ID'd by Dave L (not a bad guy to run into). On 
the north end of Thurston Reservoir (Prowers) there's an inlet canal where 
I found a Worm-eating Warbler going between a willow tree with catkins and 
skulking around in the ditch below. There's a huge miller-moth hatch 
everywhere down here and the birds are taking full advantage.

The highlight of both days was going south from Prowers CR UU on CR 75/10 
to the S end of Thurston, at about 5 p.m. I watched 22 Black Terns floating 
over an alfalfa field. On the reservoirs I'd noticed that they don't 
typically plunge-dive like other terns, mostly skimming the water's surface 
for insects or small aquatic prey at the subsurface. Their foraging 
behavior in the alfalfa was the same, dipping down to glean moths with 
their talons. It was mesmerizing, just like a water scene but over bright 
green fields. 

Dan Stringer
Larkspur, CO

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[cobirds] Bird Conservancy of the Rockies Chico Banding Station-May 16, 2023

[Chicobander]

A very enjoyable day. The Swainson's Thrushes that we banded yesterday 
moved on or at least we did not capture any of them today. Eighteen species 
of birds captured which included only one White-throated Sparrow recapture. 
Maybe it is the bird that has been singing for us the last several days. 
Appears that an influx of Hermit Thrushes, MacGillivray's and Plumbeous 
Vireos arrived this morning from the capture and sounds around the banding 
station.

*60 New Birds Banded*
Wilson's Warbler- 1
Virginia's Warbler-1
MacGillivray's Warbler- 11
House Wren-2
Western Wood-Pewee- 1
Warbling Vireo- 1
Plumbeous Vireo- 2
Spotted Towhee- 3
Lincoln's Sparrow- 1
White-crowned Sparrow (Mountain subspecies)- 1
House Finch- 1
Gray Catbird- 1
Swainson's Thrush- 24
Hermit Thrush- 7
Veer- 1
Green-tailed Towhee- 1
Bullock's Oriole- 1

*Recaptured Bird*
White-throated Sparrow- First Banded 5/10/23- increased its fat and mass 
(gained 5.3g)

The Banding station will be open tomorrow through Sunday this week from 
sunrise until @11 AM. Stop by and visit if you are in the area. Have a good 
day!

Julie Shieldcastle
Chico Basin Ranch Bird Bander
Bird Conservancy of the Rockies

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[cobirds] So many birds

['Carol Blackard' via Colorado Birds]

Hi all. We’re at Hasty Campground and JJ Cty Rd today.
We haven’t seen so many birds in a long time, incl. Blue Grosbeaks, Black 
Terns, Golden Eagle, Western Tanager, Burrowing Owls (4), Bullock’s Orioles, 
Lark Buntings, Yellow Warblers, Swainson’s Thrushes, Yellow-Rumped Warblers, 
Mockingbirds, Eastern and Western Kingbirds and others. What fun is this!

Carol Blackard
carolblackard.com
Sent from my iPhone

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[cobirds] Correction Re: Black Terns On Land Prowers County

['Dan Stringer' via Colorado Birds]

I was so caught up with this Black Tern green scene, after reviewing 
photos, they were actually gleaning the small moths and other bugs in the 
alfalfa fields with their bills, not their claws.

On Tuesday, May 16, 2023 at 6:37:30 AM UTC-6 Dan Stringer wrote:

> A large variety of fun species are still being seen in SE CO. Among 91 sp. 
> on the 14th were a pair of Rose-breasted Grosbeaks at Hasty GC (Bent), a 
> White-eyed Vireo in Lamar CC Woods (Prowers) ID'd by Dave L, and an Indigo 
> Bunting at Holly rest area. On the 15th a Chestnut-sided Warbler was at 
> Melody Tempel Grove (Bent) ID'd by Dave L (not a bad guy to run into). On 
> the north end of Thurston Reservoir (Prowers) there's an inlet canal where 
> I found a Worm-eating Warbler going between a willow tree with catkins and 
> skulking around in the ditch below. There's a huge miller-moth hatch 
> everywhere down here and the birds are taking full advantage.
>
> The highlight of both days was going south from Prowers CR UU on CR 75/10 
> to the S end of Thurston, at about 5 p.m. I watched 22 Black Terns floating 
> over an alfalfa field. On the reservoirs I'd noticed that they don't 
> typically plunge-dive like other terns, mostly skimming the water's surface 
> for insects or small aquatic prey at the subsurface. Their foraging 
> behavior in the alfalfa was the same, dipping down to glean moths with 
> their talons. It was mesmerizing, just like a water scene but over bright 
> green fields. 
>
> Dan Stringer
> Larkspur, CO
>

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[cobirds] Sandhills Wildlife Area with Boulder County Audubon | May Program

[Sydney Rayl]

Thirty-eight years of Continuity, Change, and Wonder at a Sandhills 
Wildlife Area

Over four decades, Steve Jones has spent more than 300 nights camping out 
by himself at a State Wildlife Area in the northwestern Nebraska Sandhills. 
He was drawn to the Sandhills because it's the last expanse of mostly 
natural prairie in North America. In this State Wildlife Area alone, he's 
documented 124 potential breeding bird species while enjoying intimate 
interactions with long-eared owls, trumpeter swans, and wild turkeys.

What makes this area so unique? Join Boulder County Audubon for our final 
spring speaker program of 2023, where Steve Jones will discuss the unique 
natural processes in the Sandhills. Learn more here 
!
*When*: Tuesday, May 23, 7:15 - 8:45 pm
*Where*: In person at Unitarian Universalist Church of Boulder 
 or online via Zoom (the link will 
be posted at *this page 
* on the day of 
the program) 


View recordings of previous BCAS programs on our YouTube page 


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[cobirds] Bird Conservancy of the Rockies, Chatfield Banding Station - May 16, 2023

[Meredith McBurney]

I'm sorry to say we didn't even get a taste of the wonderfully wild banding 
activity at Chico!  We were rained out on Sunday (third day in a week) and 
off on Monday and then today was very slow starting.  Picked up a bit as 
the morning went on but never got busy..only 24 new and returning birds 
caught, most of them likely breeders at Chatfield:

House Wren 1
Swainson's Thrush 1 (yes, just 1, FOS)
Gray Catbird 4 new, 1 banded 2021
Yellow Warbler 4, all returns, 3 banded 2022, 1 banded 2021
Yellow-rumped Warbler, Myrtle 1
Yellow-rumped Warbler, Audubon's 2
Yellow-rumped Warbler, Intergrade 1
Common Yellowthroat 4
Yellow-breasted Chat 2
Western Tanager 1 (FOS)
Green-tailed Towhee 1
Brown-headed Cowbird 1 (FOS)

We will be open Tuesday-Sunday, weather permitting, through the end of 
May.  Denver Audubon has scheduled one-hour time slots at 7:30, 8:30 and 
9:30 for visitors on weekends; visit here 
 to register.  (I believe many time 
slots are already sold out, so register soon if you would like to visit.)

Meredith McBurney
Bander, Chatfield Banding Station
Bird Conservancy of the Rockies

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