Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
A group of kittens is called a "kindle".
10
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Bats sleep 18-20 hours per day.
5