Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
Alligators can live up to 100 years.
337
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Only 3% of bird species have penises.
0