Sharks have been on the planet longer than trees.
14
A dork is a whale's penis.
327
When dragonflies mate, their tails form a love heart.
22
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Condoms were originally made of animal intestines or linen.
347