When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Sharks have been on the planet longer than trees.
14
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
When cats are happy, they may squeeze their eyes shut.
10
Lurch, a Watusi bull, had the largest horns in the world.
32
The cat brain weighs about 30g.
167
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46