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
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5