A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Cats sleep for 70% of their lives.
8
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12