The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
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
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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