A hippo can open its mouth wide enough to fit a 4 foot tall child inside!
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
A male baboon can kill a leopard.
Dolphins sleep with one eye open!
A shrimp's heart is in its head.
A spider's silk is stronger than steel.
A woodpecker can peck up to twenty times in a second.
