When cats are happy, they may squeeze their eyes shut.
10
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12