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
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Early American humans hunted car-size armadillos and used their shells for houses.
12
When you shave a guinea pig it looks like a little hippo.
19
A domestic cat can sprint at about 31 miles per hour.
274