Cows can sleep standing up, but they can only dream lying down.
745
Early American humans hunted car-size armadillos and used their shells for houses.
12
In Australia, there are spiders big enough to eat snakes.
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
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Moths are unable to fly during an earthquake.
328
The elephant brain weighs about 6,000g.
274
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255