- One generally reliable rule to distinguish between alligators and crocodiles is that alligators have U-shaped heads, while crocodiles are V-shaped
- Steve Irwin's body was fed to crocodiles at his request
- The first-known contraceptive was crocodile dung, used by Egyptians in 2000 BC
- To escape the grip of a crocodile's jaws, push your thumbs into its eyeballs. It will let you go instantly
- Research has shown that crocodiles really do shed tears during a meal
- Crocodile and kangaroo tail, as well as the webbed toes of a hippopotamus are all on the menu at the Beijing zoo's restaurant
- While alligators are often confused with crocodiles, they belong to two quite separate taxonomic families, and are as distinct from one another as humans are from gorillas
- The East Alligator River in Australia's Northern Territory contains crocodiles, not alligators
- An adult crocodile can go two years without eating
- The crocodiles have a four-chambered heart like in birds (their closest relatives) and mammals, for an active life. Still, when diving, the heart behaves like a three-chambered reptilian heart, enabling them to stay more underwater
