I watched a crow in IA raid a robin's nest repeatedly and fly off each time (4 times) with a nestling, probably to feed its own nestlings. Poor robin parents harassed the crow each time, but not much they could do. That was the end of that nesting effort. Presumably they started over. Common behavior for corvids.
Kay
Kayleen A. Niyo, Ph.D.
Niyo Scientific Communications
5651 Garnet St.
Golden, CO 80403
303.679.6646
Kay@KayNiyo.com; www.KayNiyo.com
From: cobirds@googlegroups.com [mailto:cobirds@googlegroups.com] On Behalf Of Charles Hundertmark
Sent: Saturday, May 02, 2015 11:53 AM
To: CorvidColo@aol.com
Cc: Cobirds
Subject: Re: [cobirds] A Murder of Crows (or by...) - Denver County
Early last month at the Moose Visitor Center (Jackson Co), as I was watching the feeders, a crow flew down to attack a small mammal, possibly a vole. The crow repeatedly jabbed at the mammal, picking it up and dropping it. The vole attempted to scramble away, but was apparently maimed by the initial thrust. The crow repeated the attacks multiple times and finally flew off with the critter.
Chuck
On Sat, May 2, 2015 at 11:21 AM, 'chrisblakeslee' via Colorado Birds <cobirds@googlegroups.com> wrote:
Dear COBIRDS,
Yesterday afternoon Lynn Willcockson e-mailed me the following:
"About 20 minutes ago I witnessed a Crow attack a Grackle and kill it. The Grackle was hopping around on the ground and the Crow flew down on top of it. There was a struggle but the Crow won. After the Crow flew off I checked and the Grackle was still breathing but not able to move."
"I have never seen this sort of behavior before or even heard of it - have you??" Lynn
Has anyone had any similar experiences?
Thanks, Chris
P.S. Lynn added, some people have said to me — "Can I borrow your Crow to take care of the Grackles in my yard?" :-)
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Chuck Hundertmark
2546 Lake Meadow Drive
Lafayette, CO 80026
303-604-0531
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