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
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Gorillas can catch human colds and other illnesses.
205
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The elephant brain weighs about 6,000g.
274