10 Craziest Animal Photos of 2012

From a stingray photobomb to a grinning dog, these photos made us do a double take this year


While on vacation in the Cayman Islands in 2008, sorority sisters Sarah Bourland, Natalie Zaysoff and Kendall Harlan got the surprise of their lives when a tour guide flopped a stingray onto their backs just as a souvenir photographer pressed click. "We had no idea that was happening," Harlan told PEOPLE. "Those are genuinely frightened faces."