[cobirds] Bird Conservancy of the Rockies Chico Basin Ranch Daily Update 10/2

[Nancy Ransom]

Wow! Today was an awesome last day, as I caught two rarities at the station 
and 4 new species for the season. Highlights included a BLUE-HEADED VIREO, 
and a intergrade Fox Sparrow with characteristics of a Northern Fox Sparrow 
and Slate-colored Fox Sparrow. We banded 870 birds over 54 species this 
season, so it was definitely a good run. I will miss everyone that comes by 
the station and I hope to see you soon. Stay birdy 

Chico captures 10/2: 
Wilson's Warbler 3
Orange-crowned Warbler 5
Chipping Sparrow 1
Fox Sparrow 1
Dark-eyed Junco 10 
Hermit Thrush 8
Blue-headed Vireo 
Gambel's White Crowned Sparrow 4
Dusky Flycatcher 1
Audubon's Warbler 1
Ruby-crowned Kinglet 1
House Wren 1
Lincoln's Sparrow

Thank you for the great season everyone. Look for our updates in Spring! 

Nancy Ransom 
Bird Bander 
Bird Conservancy of the Rockies 

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[cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 10/2/21

[Meredith McBurney]

Another typical fall day in terms of species - Yellow-rumped Warblers and 
Sparrows, including our second White-throated Sparrow for the season.  
Here's the breakdown of today's 19 new birds:

Yellow-rumped Warbler, Audubon's 3
Song Sparrow 6
Lincoln's Sparrow 2
White-throated Sparrow 1
White-crowned Sparrow, Gambel's 6
Dark-eyed Junco, Oregon 1

We are open 6 days a week, weather permitting through October 23.  Closed 
Mondays.  Click here 
 to register to 
visit - we are offering one-hour slots (up to 12 visitors at a time); 
7:30-8:30 most weekdays, and 8-9, 9-10, and 10-11 on weekends.  Come visit!

Meredith McBurney
Bird Conservancy of the Rockies

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[cobirds] Raptor Flight, CSR, El Paso Co, Saturday

[Steven Brown]

Hey COBirders,

During a slow morning of banding at Clear Spring Ranch, the breeze picked up 
about 9am and started blowing my nets out. Immediately the view in front of me 
between Fountain Creek and the freeway was FILLED with low-flying Turkey 
Vultures. Seemingly over the warmer flat hay fields a kettle of 130+ formed and 
spiraled up right in front of me, followed a minute later by another kettle of 
30+, all in a “tornado” quickly sliding South. Very cool. Over the next 20 
minutes another 87 streamed by at high elevation, in groups of 3 to 10. The 
last group of 7 flew over at 935, and that was that.

Also in the flight were several Red-tails, and at least one Swainson’s Hawk. 
This is by far the largest one-species flight I’ve ever seen in Colorado, and 
the density was greater than I’ve seen even at Hawk Mountain or Cape May in the 
fall. Very cool.


On a banding note- the last 10 days my numbers have been a little higher than 
those reported at Chico Basin and Barr Lake, but only because I’m still 
catching Chipping Sparrow flocks. (Yesterday - 81 CHSP!). Other that those, 
only 5-10 other birds daily - a couple kinglets, Wilson’s and Orange-crowned 
Warblers, and singles of Lincoln’s, Song, Clay-colored, and Gambel’s 
White-corned Sparrows. No thrush yet at all.

I have captured 2200 birds since 8/1/21, but of those, 1250 were Chipping 
Sparrows!   Mostly missing were Vesper, Savannah, and Brewer’s Sparrows, 
probably mostly done by now. No orioles or tanagers at all, few grosbeaks, and 
lower numbers of almost all species than average for 8 falls here.  Yellow 
Warblers are done, and Wilson’s are winding down, and Orange-crowneds, RC 
Kinglets,  and Lincoln’s Sparrows haven’t much arrived yet.

Every year is different, but that’s why it is fun to monitor what is passing 
through.

Have a good weekend,
Steve Brown
Colo Spgs

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