The younger ones stay with their parents for 2 or 3 years to help with the care of the babies, food collection and dam building. Beaver families are territorial and defend against other families. If danger is near, they slap their tails on the water creating a powerful noise. A dam is built to slow down the flow of water in streams and rivers. Then they build their lodges for shelter.
Lodges can have several entrances that are usually underwater.
Beavers have been hunted and trapped in the past. They were almost gone by 1900. Pollution and loss of habitat has also affected the survival of the beaver. You have won an award . This page has been accessed 1458 times.