Dogs have been man's pet for over 14,000 years.
224
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Gorillas can catch human colds and other illnesses.
205
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10