Alligators and crocodiles can't chew!：and other amazing facts Elephants don't like ants!：and other amazing facts Alligators and crocodiles can't chew! Polar bear fur isn't white!：and other amazing facts Tigers can't purr!：and other amazing facts Alligators and crocodiles can not chew! Sharks can't smile!：and other amazing facts Alligators and crocodiles! Strange and wonderful