[Tweeters] Pewees and Cowbirds

Kelly Cassidy lostriver at completebbs.com
Tue Aug 17 21:23:01 PDT 2010


We always have nesting Pewees in our yard (Pullman, Wa) and plenty of
cowbirds in the spring. In 9 years, I've never seen the pewees feeding a
cowbird chick.

Kelly Cassidy

-----Original Message-----
From: tweeters-bounces at mailman2.u.washington.edu
[mailto:tweeters-bounces at mailman2.u.washington.edu] On Behalf Of Scott Ramos
Sent: Tuesday, August 17, 2010 8:03 PM
To: Tweeters
Subject: [Tweeters] Pewees and Cowbirds

Tweets,

Just returned from a long weekend camping trip in central Oregon.
Nothing too remarkable in the limited time I was able to escape from the
group to bird, except I observed a pair of Western Wood-Pewees feeding a
juvenile Brown-headed Cowbird. From a limited search on the internet
(e.g., Nesting Success of the Western Wood-Pewee in Colorado, Western
Birds, 28:110-112, 1997), it seems that only some tyrannid flycatchers
are parasitized by cowbirds while others, including the pewees, are much
less so. So, I was wondering if others have made similar observations.

Scott Ramos
Seattle
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