The heart of a mouse beats 650 times per minute!
53
The world's smallest mammal is the bumblebee bat of Thailand, weighing less than a penny.
60
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Honeybees never sleep.
276
Squirrels forget where they hide about half of their nuts.
698
A mole can dig a tunnel 300 feet long in just one night!
24
Lurch, a Watusi bull, had the largest horns in the world.
32