When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
There are approximately three chickens for every human on Earth.
13
Tigers can see 6 times better at night than humans.
305
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492