The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13