Dogs have been man's pet for over 14,000 years.
224
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Lurch, a Watusi bull, had the largest horns in the world.
32
A lion in the wild usually makes no more than twenty kills a year.
186
Alligators can live up to 100 years.
337
Sharks, like other fish, have their reproductive organs in their chests.
248