When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A dairy cow can produce more milk when listening to music.
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