Sloths take two weeks to digest their food.
243
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
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
Rattlesnake mating sessions have been known to last more than 22 hours.
232
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Gorillas can catch human colds and other illnesses.
205