The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Whales and dolphins can't taste anything other than salt.
11
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 cow produces around 200,000 glasses of milk in her lifetime.
373
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212