Since they are curved inward and have powerful jaws to push them the beaver can bite through some of the hardest wood very easy. People living in a cold Climate appreciate the value of a warm, waterproof overcoat. Well the beaver never has to shop for his for he already has it. His fur ranges from the colors of tan to dark brown, and has two layers. The dense undercoat is very fine and lined with tiny barbs that lock together to protect them from the water and the cold air.
All beavers have two pairs of unusual glands at the base of the tail.
The beaver's tail is unique. It is shaped like a paddle, and is about one foot long. In the water the beaver use's it as a rudder for steering with like a boat. Some times when they are cutting down a tree they will stop to eat it. and some very brave beavers will try to sneak up on one of the other beavers while they are cutting the tree down and take a little bite out of it where the one cutting the tree can not see them. They have to kept them cold and still be able to eat them. since they can not get out from under the ice in the winter they dig a hole in the bottom of the pond.