There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
When you shave a guinea pig it looks like a little hippo.
19
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6