Cows can sleep standing up, but they can only dream lying down.
745
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
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
When cats are happy, they may squeeze their eyes shut.
10
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Dogs have been man's pet for over 14,000 years.
224