Sloths take two weeks to digest their food.
243
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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
When you shave a guinea pig it looks like a little hippo.
19
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14