Parrot parents "name" their children with a signature call.
112
Sloths take two weeks to digest their food.
243
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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