Jellyfish as a species are actually older than dinosaurs and sharks.
383
Gorillas can catch human colds and other illnesses.
205
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Jumping fleas can accelerate 50 times faster than the space shuttle.
218