A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Sloths take two weeks to digest their food.
243
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Jumping fleas can accelerate 50 times faster than the space shuttle.
218