[CT Birds] Fwd: song sparrow research!

Arthur Shippee ashippee at snet.net
Wed Feb 20 16:12:21 EST 2013

My sister sent this to me, about Song Sparrow territorialism.  A couple of videos too of SS defending territory.  They copy the song of the intruder as a warning.  

> Subject: song sparrow research!
> Enjoy!
> http://www.washington.edu/news/2013/02/12/get-off-my-lawn-song-sparrows-escalate-territorial-threats-with-video/

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