The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Condoms were originally made of animal intestines or linen.
347
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8