Sheep, goats, octopuses, and toads have rectangular pupils.
7
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
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Jumping fleas can accelerate 50 times faster than the space shuttle.
218