Bats sleep 18-20 hours per day.
5
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The octopus does not have a blind spot.
273