Which animals can swim up your toilet?

A woman using an outhouse in Alaska got more than she bargained for when a black bear took a bite out of her backside. “I got out there and sat down on the toilet and immediately something bit my butt right as I sat down,” Shannon Stevens told the Associated Press. While encountering a bear in those environs is a rare occurrence, even in Alaska, it's probably an experience that she'll never forget.She's not the only one to encounter an unwanted critter in the commode. If the stories below teach us anything, it's to look before you sit.