[Tweeters] Bird ultra-marathoners

Joel Levin joellevin at comcast.net
Tue May 25 10:11:34 PDT 2010


Fascinating article:
Migrating Thousands of Miles With Nary a Stop
<http://www.nytimes.com/2010/05/25/science/25migrate.html>

Joel Levin
Seattle, WA


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