Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Sloths take two weeks to digest their food.
243
A domestic cat can sprint at about 31 miles per hour.
274