The cat brain weighs about 30g.
167
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
One in three dog owners say they have talked to their pets on the phone.
427
When you shave a guinea pig it looks like a little hippo.
19
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492