Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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
Parrot parents "name" their children with a signature call.
112
Lurch, a Watusi bull, had the largest horns in the world.
32
Sheep, goats, octopuses, and toads have rectangular pupils.
7