When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
The elephant brain weighs about 6,000g.
274
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
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