Mob Scene: Birds Create a Flap To Fend Off Invaders

Thursday, January 29, 2009 - 20:28 in Biology & Nature

When it comes to protecting their nests, reed warblers have something in common with Super Bowl hopefuls, the Pittsburgh Steelers: both believe the best offense is a great defense.  But whereas the Steelers must stop the Arizona Cardinals, the songbirds need to steel themselves against marauding cuckoos. [More]

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