Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Cows can sleep standing up, but they can only dream lying down.
745
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27