The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Early American humans hunted car-size armadillos and used their shells for houses.
12
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Gorillas can catch human colds and other illnesses.
205