If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
A dork is a whale's penis.
327
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2