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Subject:
Where do erupting Pine Siskins come from?
From:
Jim Nelson
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Date:
Thu, 14 Oct 2010 14:15:02 -0400
Here is an interesting article on the Cornell Project FeederWatch website about erupting Pine Siskins and what banding data shows about where they spend their summers. http://www.birds.cornell.edu/pfw/News/siskins.html Jim Nelson Bethesda, MD