Tigers can see 6 times better at night than humans.
305
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The seahorse is the only fish to have a neck.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328