The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Squirrels forget where they hide about half of their nuts.
698
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
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