In 1949, an official boxing match between a bear and a man was held. The bear won.
41
When dragonflies mate, their tails form a love heart.
22
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
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
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Condoms were originally made of animal intestines or linen.
347
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20