The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Sloths take two weeks to digest their food.
243