When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
The largest earthworm on record was found in South Africa and measured 22 feet.
151
The reindeer is the only mammal that can see UV light.
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