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
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
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Whales and dolphins can't taste anything other than salt.
11