The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Sharks, like other fish, have their reproductive organs in their chests.
248
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Parrot parents "name" their children with a signature call.
112
A dork is a whale's penis.
327