Similarly, our little but ferocious Merlin takes out our fat
Eurasian-collared Doves all the time.
Thanks Gary Lefko, Nunn
http://coloradobirder.ning.com/
Mobile: http://coloradobirder.ning.com/m
On Friday, February 27, 2015 at 9:30:01 AM UTC-7, David Waltman wrote:
I just witnessed a
Neglected sending this to the whole group, as intended.
Dave
From: daleather...@msn.com
To: quetza...@comcast.net
Subject: RE: [cobirds] Boulder surprising hawk kill
Date: Fri, 27 Feb 2015 10:28:38 -0700
David, Nick, Gary, et al,
Interesting observations, all. I would throw in seeing a
Sharpies take Eurasian Collared-Doves on a regular basis. The dove is almost
50% larger than the hawk by mass. This brings up a question: why are there not
more Sharp-shinned Hawks around? There must be more influential constraints on
the hawks population than winter food supply. Any thoughts
I just witnessed a Sharp-shinned Hawk successfully kill a Steller's Jay. It's
sitting on the ground eating the jay right now. The Steller's Jay is about the
same size as the hawk, although the Sharp-shinned would outweigh the jay at
about 5 oz. vs.3.7 oz. I'm amazed that a Sharp-shinned
Birders,
Some Rosy's just showed up and after a Sharp-shinned Hawk vacated their
tree.
That's the 5th raptor species I have seen in that tree this year. 2
Falcons, 2
Accipiters and 1 Buteo.
--
Ira Sanders
Golden, CO
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Greetings All
Yesterday, Nick Moore and I wandered about much of western/central Weld County.
The weather, was suboptimal but not too intrusive
The Pawnee had, gasp!, very very little snow on the ground, so larks and such
were not pushed to roadsides. We did still have a couple nice (20-50
I am currently looking at 2 Short-eared Owls on posts along the driveway of
2086 Buckeye Rd. No trespassing sign.
Sent from my iPhone
Rachel Hopper
Ft. Collins
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COBirders,
One late spring a few years ago at our cabin in western Custer County (9,200
ft.) I witnessed an interesting episode involving a young Sharp-shinned Hawk.
I was watching a group of small passerines on my platform feeder when I saw
them scatter in a panic. I noticed a sharpie had
Nick,
I went to CBC data for Colorado to see what it says. From the early 1990s up
through about 2005 or 2006 both Sharp-shinned and Cooper’s Hawk numbers
increased steadily: up 125% for Sharp-shinned and 135% for Coopers. Since
then, however, Sharp-shinned have gone back to about where
Having worked on the Cape May Raptor Banding Project this past fall, I had
many discussions with a variety of people about the diminishing Sharpie
populations. It's been a noticeable trend in the capture data and the
hawkwatch count data that Sharpies have been decreasing steadily over the
last
I swung by Ira's today to admire the rosy-finches. As I parked, a kestrel
came zipping toward his front porch, pursuing a puffed brown rosy. It
missed and smacked into the front door. It wasn't hurt and Ira came out to
see what the fuss was. Apparently the kestrel hangs out in the same tree
Compiler: Joyce Takamine
Date: February 27, 2015
This is the Rare Bird Alert, Friday, February 27 sponsored by Denver Field
Ornithologists and the Rocky Mountain Bird Observatory.
Highlight species include: (* indicates new information on this species).
Tundra Swan (Boulder)
AMERICAN
Sponsored by Boulder County Audubon
I just talked to Davis and he tells me he is planning on leading the group
tomorrow. Details below,
*Saturday, February 28, 8:30 a.m. - 1:30 p.m.*
Ducks Along the Platte with 'Davis'!
We’ll drive down to 88th and Colorado (can meet there at 9:20). Walk along
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