The cat brain weighs about 30g.
167
The Basenji dog is the only dog that is not able to bark.
4
Domestic pigs average a top speed of about 11 miles per hour.
182
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
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
When cats are happy, they may squeeze their eyes shut.
10