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
The Basenji dog is the only dog that is not able to bark.
4
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A dork is a whale's penis.
327
The colossal squid has the largest eyes in the world.
4
A cow produces around 200,000 glasses of milk in her lifetime.
373