The faster a kangaroo hops, the less energy it burns!
58
A full-grown bear can run as fast as a horse.
35
Dragonflies have six legs but cannot walk!
25
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Some ribbon worms will eat themselves if they cant find any food!
37
Dolphins sleep with one eye open!
52