The elephant brain weighs about 6,000g.
274
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10