While it may be that common ravens are most often seen in small groups,
I've come across "conventions" of up to 40+ of them hanging out &
carrying on together atop a knoll at around 11,400' on the south slope
of Pikes Peak (in late May)...
Marty Wolf
-----Original Message-----
From: mar1joy <mar1...@juno.com>
To: cobirds <cobirds@googlegroups.com>
Sent: Sun, Feb 13, 2011 4:15 am
Subject: Re: [cobirds] Differentiating Chihuahuan from Common Ravens
While looking at ravens on a recent southeastern Colorado CBC, a very
experienced birder commented to me that these were likely Chihuahuan as
they were in a flock (12-15 birds), and that Common Ravens were
generally more solitary in nature. Birds of North America Online
touches on this briefly, calling Chihuahuan an "extremely social bird"
and that Common Ravens tend to be found "solitary or in pairs." I've
been thinking about this lately as I look at ravens in my part of the
state where both species occur, and now this recent Cobirds thread
prompts me to ask: Is this something we can reliably consider in
addition to the other characteristics we use in trying to separate the
two species? And this leads me to a broader question: How much weight
can we give behavior in identifying birds generally?Margie JoyPueblo
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