Saturday, 25 September 2021

[cobirds] Re: From Canon City Daily Record newspaper

Wow--sounds like a tremendous team effort! Thank you to Bob, Tim, and Dan for rescuing this bird. And most importantly, kudos to SeEtta for recognizing the dire situation this bird was in and taking the initiative to do something about it. Great job all! 

Adam Vesely
Thornton, CO

On Saturday, September 25, 2021 at 1:30:18 PM UTC-6 Laura Gorman wrote:

Thanks to the coming together of different people and entities in Cañon City, the young osprey on the nest at Valco Ponds was saved at 6 a.m. Sept. 16.

Local resident and wildlife photographer Char Lindner said that SeEtta Moss, a local bird expert, had been studying the young osprey and noticed it had not left to begin its southward migration. She notified Bob Carochi of the Colorado Parks and Wildlife that the bird seemed to be entangled.

Carochi, after receiving permission from the property owners, had help from Tim Koehn and Dan O'Shea, journeyman lineman with Black Hills Energy, who lifted Carochi up in the Black Hills bucket lift to help the bird.

What he found were cords and baling twine, completely ensnarling the legs and talons of the osprey so that it could not fly from the nest.

Moss had been watching its mother bringing in food when, at its maturity, it should have been doing this on its own, Lindner said.  Carochi covered the bird with a towel and proceeded for almost half an hour cutting the twine and cords. Once freed, the bird flew off to a nearby tree.

"Thanks to our Cañon City neighbors for caring and for saving the bird," Lindner said.



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[cobirds] From Canon City Daily Record newspaper

Thanks to the coming together of different people and entities in Cañon City, the young osprey on the nest at Valco Ponds was saved at 6 a.m. Sept. 16.

Local resident and wildlife photographer Char Lindner said that SeEtta Moss, a local bird expert, had been studying the young osprey and noticed it had not left to begin its southward migration. She notified Bob Carochi of the Colorado Parks and Wildlife that the bird seemed to be entangled.

Carochi, after receiving permission from the property owners, had help from Tim Koehn and Dan O'Shea, journeyman lineman with Black Hills Energy, who lifted Carochi up in the Black Hills bucket lift to help the bird.

What he found were cords and baling twine, completely ensnarling the legs and talons of the osprey so that it could not fly from the nest.

Moss had been watching its mother bringing in food when, at its maturity, it should have been doing this on its own, Lindner said.  Carochi covered the bird with a towel and proceeded for almost half an hour cutting the twine and cords. Once freed, the bird flew off to a nearby tree.

"Thanks to our Cañon City neighbors for caring and for saving the bird," Lindner said.



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[cobirds] hackberry trees

If Grandview Cemetery in Fort Collins is any indicator, now is the time to check hackberry trees for small birds including migrants.  Yesterday the fat nymphs of gall-making psyllids within leaf galls and adults in the act of emerging to overwinter in bark were being preyed upon by Wilson's warblers, ruby-crowned kinglets, black-capped chickadees, red-breasted nuthatches, chipping sparrows, bushtits, a red-naped sapsucker and house finches.  This phenomenon doesn't last long in any one locale (week to ten days?).  If the stars align and eastern migrants are going thru when the psyllids are available, hackberry is the site.

    

The pic shows a chickadee extracting blistergall psyllid (Pachypsylla celtidivesicula) nymphs from a leaf it has pulled from its branch attachment to stand on and wail at.  The other pic shows four blistergalls from which a chickadee has precisely removed the contents.

Dave Leatherman
Fort Collins

[cobirds] Re: Sabine’s at Standley north shore, JeffCo

I also located the Lesser Black-backed Gull he saw yesterday. It is currently on the spit near the heronry on the NW corner of Standley. 

🌸 Donna
Sent from my iPhone

On Sep 25, 2021, at 7:29 AM, Donna Stumpp <donna.stumpp@gmail.com> wrote:

Just watched a Sabine's flying above NW portion of Standley lake headed SE. Watched through scope for long looks at the clear M, non-breeding coloring. I also saw a couple here last weekend early. 

🌸 Donna
Sent from my iPhone

[cobirds] Sabine’s at Standley north shore, JeffCo

Just watched a Sabine's flying above NW portion of Standley lake headed SE. Watched through scope for long looks at the clear M, non-breeding coloring. I also saw a couple here last weekend early. 

🌸 Donna
Sent from my iPhone

Friday, 24 September 2021

[cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 9/24/21

We had another fairly slow morning at Barr Lake today, with the usual mix of sparrows and warblers that we expect in late September. The highlight was a dainty Clay-colored Sparrow, not the first of the season but definitely a species we don't see a lot of. Here is the breakdown of our 16 newly banded birds of 7 species.

House Wren - 1
Wilson's Warbler - 9
Orange-crowned Warbler - 1
Green-tailed Towhee - 1
Clay-colored Sparrow - 1
Lincoln's Sparrow - 2
Gambel's White-crowned Sparrow - 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!

Colin Woolley
Bird Conservancy of the Rockies

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Re: [cobirds] Wilson Warblers-Crow Valley-CG

And this afternoon I had two Wilson's in my back yard (Berkeley neighborhood Denver) - new yard birds for me!

Bill Killam

On Friday, September 24, 2021 at 1:58:02 PM UTC-6 dsud...@gmail.com wrote:
There is a suggestion here maybe to extrapolate a good migrant concentration at one place to fit it to the whole landscape, or similar areas. But I think there is seldom evenness to the distribution of such migrant landbirds. As an isolated grove, maybe the trees of Crow Valley were a draw to bring warblers to concentrate in that general area, even if they were foraging in the thickets?

I had just one Wilson's in my patch near home this morning at Ken Caryl. I could extrapolate that to balance the Crow Valley bounty :-)

David Suddjian  
Ken Caryl Valley
Littleton, CO

On Fri, Sep 24, 2021 at 1:22 PM Robert Righter <rori...@earthlink.net> wrote:
Hi all

While birding for two hours this morning, I detected 30 migrating Wilson's Warblers. The vast majority were seen in thickets, not so much in the trees. So did I see all the Wilson's Warblers in the campground? Most likely not. Given the inventory of thickets in the region, could I reasonable assume I only saw about half of the actual number—most likely so.  The Wilson Warbler's breeding range stretches from the Pacific ocean to the Atlantic Ocean, although the warbler is more common in the west than in the east.  Since I was only in the region for two hours, what could this information mean towards calculating the total population for this warbler. Since the campground is just a mere speck in the totality of the warbler's migrating range and just a moment in time, would it be reasonable to assume the total population for the warbler to be in the millions, hundreds of millions or……?

Given the above example, what would others estimate Wilson's Warbler total population to be?

Bob Righter
Denver CO

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