Early American humans hunted car-size armadillos and used their shells for houses.
12
When cats are happy, they may squeeze their eyes shut.
10
A 42-foot sperm whale has about 7 tons of oil in it.
209
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
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156