The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur!
104
The world's smallest mammal is the bumblebee bat of Thailand, weighing less than a penny.
60
It is physically impossible for pigs to look up into the sky.
361
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Spotted skunks do handstands before they spray.
32
There are more than one million animal species on Earth!
71
Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
33