[mou] FW: [wisb] Ageing Northern Shrikes in the Field
dlpwaters at hotmail.com
Fri Jan 11 21:34:09 CST 2008
Forwarded with permission...
Hawk Ridge Bird Observatory
P.O. Box 3006
Duluth, MN 55803-3006
dwaters at hawkridge.org
From: Wisconsin Birding Network [mailto:wisbirdn at mailhub.lawrence.edu] On
Behalf Of Ryan Brady
Sent: Friday, January 11, 2008 6:21 PM
To: Wisconsin Birding Network
Subject: [wisb] Ageing Northern Shrikes in the Field
As some of you know, I have been fortunate to capture, band, and observe
many Northern Shrikes in Ashland and Bayfield counties over the past few
years. One of the first things I learned by having birds in hand was that
ageing them in the field while birding isn't as easy as I had thought.
Because this is an outstanding year for Northern Shrikes in much of
Wisconsin (but alas not here in my neck of the woods), I thought I would
share a bit on what I have learned about separating adults from immatures in
I wrote up a brief overview of this topic, which may someday appear on the
Wisconsin eBird page. For now, I've created my own blog to host the article
and you can view it at the link below.
Please feel free to contact me with any comments or questions.
Grand View, Bayfield County, WI
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