Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
In 1949, an official boxing match between a bear and a man was held. The bear won.
41