The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
One in three dog owners say they have talked to their pets on the phone.
427
A lion in the wild usually makes no more than twenty kills a year.
186
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
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
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14