[cobirds] Banding notes and Musings, Clear Spring Ranch, El Paso Co, Friday

[Steven Brown]

Hey COBirders,

I'm not done yet!

Tagging on to Meredith’s report yesterday from Barr Lake banding - my results 
have been pretty similar for the last week - frosted nets, and most days 
single-digit birds with a few recaps from previous days, and maybe a return 
from previous falls.  My best day was yesterday, with 11 birds.

Today things got officially weird. No frost, a 40o temperature swing before 11 
a.m., and 23 new birds today. (why now???), with an unusual overlap. 
Like Meredith -  I had my FOS Am Tree Sparrow, (my earliest ever), but also two 
lost Wilson’s Warblers, my first in three weeks, and very much unexpected this 
late in October, a late Gray Catbird, and my 1600th Chipping Sparrow for this 
fall!

Numbers for most species are down from the last several falls.  Looking over my 
charts from the last 10 years, there is a real pattern, at least for sparrow 
numbers here. - I have had big numbers of sparrows of multiple species in EVEN 
years, and much lower numbers in ODD years, like a five-fold difference for 
some. (except for Chipping Sparrows - last year 1900, this year 1600. I’m 
thinking CSR should be short for “Chipping Sparrow Ranch”)).  But Lincoln’s 
Sparrow - 2002- 257, 2021- 25. Song Sparrows - my lowest total in 10 years - 
only 32 (94 in 2020). White-crowned Sparrows - 2020- 165, 2021- 62.

With two more Ruby-crowned Kinglets today I am up to 12, after three 
consecutive years of over 50.

On the other hand, I've had my highest totals ever for Gray Catbird, Spotted 
Towhee, and Yellow-breasted Chat. I wondered early-on about how much these 
numbers reflected the horrible die-off we had early last September, but now I 
wonder it it is just the extreme drought in the West.
Every year is different, and I’ll continue to collect data, but I doubt that 
I’ll figure it all out.

It looks like weather may cooperate so that I can continue banding until my 
target - 10/31. I haven’t made it that late yet in 10 years. Last year, after 
HUGE numbers (4500 total birds, 1900 CHSP), I was frozen out the last week of 
October with some highs only around 12o. 35o, like today, doesn’t seem so bad!

Have a birdy weekend,
Steve Brown
Colo Spgs

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[cobirds] 293 pelicans on Windsor Reservoir. Weld County

['Joan Glabach' via Colorado Birds]

Most are newly arrived today.  Currently at SE end of reservoir.

Joan Glabach
Severance, CO

Sent from my iPad

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[cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 10-22-21

[Colin Woolley]

Today we had nearly a 40 degree temperature swing from opening to closing, 
going from layers of jackets down to t-shirts by the end. If you noticed my 
intro began with weather and clothing observations you'd be right to assume 
we had a slower day with regard to the birds; 3 newly banded and 8 
recaptures from earlier this season. Here they are:

Black-capped Chickadee - 1 recap
Ruby-crowned Kinglet - 1 recap
White-breasted Nuthatch - 1 recap
Oregon Junco - 1 new, 1 recap
White-throated Sparrow - 1 new
Mountain White-crowned Sparrow - 1 new
Gambel's White-crowned Sparrow - 3 recap
Song Sparrow - 1 recap

Tomorrow is the final day of the season (we will take the station down at 
the end of banding). Click here 
 to register to 
visit - we are offering one-hour slots (up to 12 visitors at a time); 9-10 
and 10-11 tomorrow. Come visit us on the final day!

Colin Woolley
Bird Conservancy of the Rockies

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[cobirds] Brown-headed Nuthatch in western KS

[Brandon]

Colorado birders should be on the lookout for this species.  One is in
Garden City, Kansas, only 70 miles from the Colorado border.  A few
Colorado birders got to see it yesterday morning.  Since Pygmy Nuthatches
aren't really wandering around this fall, if you see one in eastern
Colorado, be sure it isn't a Brown-headed Nuthatch and let us know.
Colorado hasn't had this species so far.  The bird in Garden City, is the
furthest west one to be found ever.

Brandon Percival
Pueblo West, CO

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