Sloths take two weeks to digest their food.
243
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The oldest recorded elephant lived for 82 years.
213
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
When you shave a guinea pig it looks like a little hippo.
19