Sloths take two weeks to digest their food.
243
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
There are approximately three chickens for every human on Earth.
13