The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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
Jellyfish as a species are actually older than dinosaurs and sharks.
383
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Dogs have been man's pet for over 14,000 years.
224
When you shave a guinea pig it looks like a little hippo.
19
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