When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A dairy cow can produce more milk when listening to music.
446
Sharks have been on the planet longer than trees.
14