The head of a jellyfish is called the "Bell."
6
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 cat brain weighs about 30g.
167
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
The reindeer is the only mammal that can see UV light.
17
Cows can sleep standing up, but they can only dream lying down.
745