An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
When dragonflies mate, their tails form a love heart.
22
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19