Squirrels forget where they hide about half of their nuts.
698
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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
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
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
There are approximately three chickens for every human on Earth.
13
Giant Anteaters' front legs look like a panda.
48