Dogs have been man's pet for over 14,000 years.
224
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Cats and dogs can hear ultrasound.
350
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Sloths take two weeks to digest their food.
243