03/18/2010 05:12 am ET Updated May 25, 2011

6 Creepy Animal Behaviors That Science Can't Explain

Animals do a lot of strange things: dogs will go after their own butts for hours, some fish fly and if some people are to be believed, sheep have the amazing ability to attract New Zealanders and Scotsmen. But there are some things about the animal world that leave the smartest of us scratching their heads in puzzlement saying, "Fucked if I know..."