Re: [cobirds] Digest for cobirds@googlegroups.com - 3 updates in 2 topics

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Linda

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Nov 26, 2025, 3:47:03 PM (8 days ago) Nov 26
to Co-birds
Do you think they can be distinguished by song??
Linda

On Nov 25, 2025, at 06:13, cob...@googlegroups.com wrote:

John Tumasonis <snake...@gmail.com>: Nov 24 03:21PM -0800

Note: Audubon web address for CBC:
*https://www.audubon.org/community-science/christmas-bird-count/join/christmas-bird-count
*
 
Then go to "*Click here for a map view of the circles*....."
 
All:
Broomfield CO Christmas bird count circle - compiler name and
email address given when you click on the "bird logo" on the map but does
appear to be open for registration yet. Count Date is given as 12-27-25.
I would check the map daily and refresh to see when registration begins, if
interested.
 
Well, about time Broomfield got put on the map. The circle contains some
of the best "hotspots" along the Front Range and does not appear to overlap
any other count circles. The circle includes most of Broomfield and parts
of Louisville, Lafayette, Erie, Northglenn, Thornton, and part of Weld
County.
 
*Areas of interest* include Wanaka Lake, Hecla Pond, Metzger Farm, Plaster
Reservoir, Erie Lake, Prince Lake #2, Thomas Lake, Alexx and Michael's
Pond, the wildlife ponds at Westminster Community College, large portions
of Big Dry Creek which runs from south west to north east - almost
bisecting the entire circle (anyone up for a long 15 mile hike?), Eastlake,
Hunter's Glenn Lake, Croke Reservoir, Margaret's Pond, Mushroom Pond, Vogel
Ponds area, almost all of the Stearns Lake area, and clips parts of the
eastern edge of the South Platte River (Adams County) including parts of
the bikeway, ponds, and open space.
 
Like all Xmas bird count areas, it's a huge amount of area to cover, and
not all of it can be covered (unless you're Superman), and has tons of
walking along bikeways and hiking trails.
 
I'll try to post what I've been seeing in at some of these locations lately
to help with those signing up for the Broomfield Christmas bird count. And
what you should expect to see by December 27th.
 
Good luck,
John T (Tumasonis), Broomfield CO
"I'm not a real birder. I only pretend to be one on CoBirds."
Luke Pheneger <pheneg...@gmail.com>: Nov 24 09:48PM -0800

Hello all,
 
THE BROOMFIELD CBC IS ON DECEMBER 21ST! I'm not sure why it says the 27th
on the website but I will get that fixed ASAP.
 
Luke Pheneger
 
On Monday, November 24, 2025 at 4:21:00 PM UTC-7 John Tumasonis wrote:
 
Robert Righter <rori...@earthlink.net>: Nov 24 03:25PM -0700

Hi
 
Recent notification from Cornell Lab of Ornithology
 
The Warbling Vireo has been separated into two distinct species
The Eastern Warbling Vireo (Vireo gilvis)
The Western Warbling Vireo (Vireo swainsoni)
 
I notice a head ache starting in the back of my head creeping towards the frontal lobs
 
Bob Righter
Denver CO
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David Suddjian

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Nov 26, 2025, 5:13:44 PM (8 days ago) Nov 26
to Linda, Co-birds
If you are referring to the Warbling Vireo (hard to be sure in this reply to the digest), yes, the song is the easiest way to distinguish the two species. And distribution is very helpful in much of the two species's range, but not everywhere in CO and less during migration periods. 

This was covered a fair amount on CoBirds when the split was announced, and some info can be found in the archives. 

David Suddjian
Littleton, CO


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