Sharks have been on the planet longer than trees.
14
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
When cats are happy, they may squeeze their eyes shut.
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
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
Giant Anteaters' front legs look like a panda.
48