When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Tigers can see 6 times better at night than humans.
305
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Cats and dogs can hear ultrasound.
350
