Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Sharks, like other fish, have their reproductive organs in their chests.
248
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Giant Anteaters' front legs look like a panda.
48
When cats are happy, they may squeeze their eyes shut.
10