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July 2010


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Sue Wetmore <[log in to unmask]>
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Vermont Birds <[log in to unmask]>
Thu, 1 Jul 2010 11:59:18 +0000
text/plain (32 lines)
Just defending its territory against the reflection that it perceives to be a rival. 

Sue Wetmore 
----- Original Message ----- 
From: "Jeannie Elias" <[log in to unmask]> 
To: [log in to unmask] 
Sent: Thursday, July 1, 2010 7:00:37 AM 
Subject: [VTBIRD] Odd Bird Behavior 

Once this spring and now this summer I witnessed odd bird behavior that I am 
not sure what to think about.  It involves a bird precariously perching on 
or near a window frame and then flying continually at the window panes 
themselves, as if it is trying to get in.  This Spring I saw an American 
Robin do it.  Over and over and over again.from perches right on the 
frame..and from perches a few inches away, tapping against the second story 
window.  There were plants inside on the window sill.  So first I shut off 
the lights, no change.  Then I moved the plants out of sight, no change. 
Finally I put a towel inside the window frame and the behavior ceased.  This 
morning a Male Common Yellowthroat is doing the exact same thing, at a 
different window, this one on the first floor.  It has been going on for at 
least 20 minutes, and since my husband saw the bird on a nearby post over 
the past few days, I wonder if it has been going on for that length of time. 

Any ideas on what this behavior is and whether I should be worried for the