When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Cats and dogs can hear ultrasound.
350