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Friday, December 23, 2011
Pigeons moving up intellectual pecking order - San Francisco Chronicle http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNGI8WSZ1txIzdXCCaCMgzEaJBAJ6Q&url=http://www.sfgate.com/cgi-bin/article.cgi?f%3D/c/a/2011/12/22/MNB41MG0K8.DTL
Pigeons moving up intellectual pecking order - San Francisco Chronicle
http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNGI8WSZ1txIzdXCCaCMgzEaJBAJ6Q&url=http://www.sfgate.com/cgi-bin/article.cgi?f%3D/c/a/2011/12/22/MNB41MG0K8.DTL
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