Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Giant Anteaters' front legs look like a panda.
48
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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
In Australia, there are spiders big enough to eat snakes.
20
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492