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
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Whales and dolphins can't taste anything other than salt.
11
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
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 oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492