Squirrels forget where they hide about half of their nuts.
698
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A group of unicorns is called a blessing.
304
There's a rare breed of pig that looks like a sheep.
14
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2