Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
When you shave a guinea pig it looks like a little hippo.
19
Parrot parents "name" their children with a signature call.
112
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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