Mothers have 2 or 4 rites at a time. Beavers make their dams out of, mud, sticks, stones, and debris. A beaver can swim a quarter of a mile without air. Beavers make funny noises like a bark. Their average weight is 35 to 40 pounds.
Beavers have fur that is rich chocolate brown with light gray and their teeth are orange and yellow.
A beaver eats aspen, pine, fir, beech, cottonwood and maple trees. A beaver's enemies are mostly people. Trappers still catch about 200,000 beaver a year. If you hear a loud slap on the river it might be a beaver. If you see a downed tree by a river there's probably a beaver nearby.