When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Bats sleep 18-20 hours per day.
5
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A giraffe's kick is so powerful that it can decapitate a lion.
216