Best of 2011

Biggest Animal Headlines of the Year

From Knut's death to the Bronx Zoo cobra, animal news went wild this year

BRONX ZOO COBRA

She wasn't just venomous, she also went viral. A female cobra snake at the Bronx Zoo went missing for seven days, and though she was later found "coiled sort of secluded in a dark corner" without having hurt anyone, she managed to blow up – on Twitter, and everywhere else on the web.