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
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
Squirrels forget where they hide about half of their nuts.
698
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's a rare breed of pig that looks like a sheep.
14
Gorillas can catch human colds and other illnesses.
205
When you shave a guinea pig it looks like a little hippo.
19
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13