The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
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
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6