Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
When you shave a guinea pig it looks like a little hippo.
19
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Whales and dolphins can't taste anything other than salt.
11