It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
When you shave a guinea pig it looks like a little hippo.
19
Early American humans hunted car-size armadillos and used their shells for houses.
12
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Gorillas can catch human colds and other illnesses.
205
Parrot parents "name" their children with a signature call.
112