Female kangaroos have three vaginas.
2
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
There are approximately three chickens for every human on Earth.
13
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
The cat brain weighs about 30g.
167