Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A domestic cat can sprint at about 31 miles per hour.
274
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Sheep, goats, octopuses, and toads have rectangular pupils.
7