A domestic cat can sprint at about 31 miles per hour.
274
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Sloths take two weeks to digest their food.
243
Sheep, goats, octopuses, and toads have rectangular pupils.
7