The lungfish can live out of water for three years in a state of suspended animation.
48
The elephant brain weighs about 6,000g.
274
Honeybees never sleep.
276
The world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.
66
Dogs have four toes on their hind feet, and five on their front feet.
179
The average housefly lives only two weeks.
39