Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A dork is a whale's penis.
327
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
A cat can jump FIVE TIMES as high as it is tall!
371
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492