Cats sleep for 70% of their lives.
8
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
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 most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2