The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
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
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Gorillas can catch human colds and other illnesses.
205
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Jumping fleas can accelerate 50 times faster than the space shuttle.
218