Saturday, August 22, 2009

Bird brains

Birds are smart--and not just because we saw four common nighthawks flying over U.S. Cellular Field at the Sox game last night, wisely taking advantage of the bugs and stadium lights. I've been thinking about this lately, and a couple recent articles back it up. Thanks to one of the correspondents. Corvidae are particularly smart. They have big brains and can use tools.

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