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
The largest earthworm on record was found in South Africa and measured 22 feet.
151
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The elephant brain weighs about 6,000g.
274
Giant Anteaters' front legs look like a panda.
48