Domestic pigs average a top speed of about 11 miles per hour.
182
The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur!
104
Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
25
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
There's a breed of cat called Munchkin and they have tiny legs.
13
Frogs sometimes eat enough fireflies that they themselves glow.
71
Ants don't sleep
15