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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When you shave a guinea pig it looks like a little hippo.
19
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12