One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
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
Cats sleep for 70% of their lives.
8
Jellyfish as a species are actually older than dinosaurs and sharks.
383
A cow produces around 200,000 glasses of milk in her lifetime.
373