Sheep, goats, octopuses, and toads have rectangular pupils.
7
Dogs have been man's pet for over 14,000 years.
224
Parrot parents "name" their children with a signature call.
112
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
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
The elephant brain weighs about 6,000g.
274