Crocodiles go through about 8000 teeth in their lifetime, if they loose one it is replaced right away with a new one.
Crocodile are fast swimmers and can swim up to 32km/ph
Crocodiles do not have sweat glands, they release heat through their mouths
Tests on Egyptian mummies show that this species once lived along the Nile, when the ancient Egyptians worshipped Sobek, the crocodile god. Today, it is found in swamps and swamp forests across western and central Africa.