It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
When cats are happy, they may squeeze their eyes shut.
10
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Whales and dolphins can't taste anything other than salt.
11
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
The reindeer is the only mammal that can see UV light.
17