Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2