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]