68% of America's presidents have owned dogs and 20% have owned cats. But what about the other presidential pets? Theodore Roosevelt had a menagerie of lions, as well as 5 bears, a zebra, coyote, hyena, and several snakes, and James Buchanan was gifted a herd of elephants from the King of Siam. Do pets make better presidents? It seems Bo Obama is doing a good job. Find out about more presidents and their pets from VetStreet.com's pet infographic.