A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Sloths take two weeks to digest their food.
243
The colossal squid has the largest eyes in the world.
4
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
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402