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
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49
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
Sloths take two weeks to digest their food.
243
The head of a jellyfish is called the "Bell."
6