When cats are happy, they may squeeze their eyes shut.
10
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Alligators can live up to 100 years.
337
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
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
A 42-foot sperm whale has about 7 tons of oil in it.
209
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8