Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Cows can sleep standing up, but they can only dream lying down.
745
The octopus does not have a blind spot.
273
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
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11