Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The elephant brain weighs about 6,000g.
274
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12