Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Cows can sleep standing up, but they can only dream lying down.
745