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beaver dam

animal structure

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beavers

  • American beaver
    In beaver

    Beavers often construct a dam a short distance downstream from the lodge to deter predators. The dam impedes the flow of the stream and increases the depth of the water that surrounds the lodge. Dams also create additional wetland habitat for fish and waterfowl and contain or impede the…

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Why Do Beavers Build Dams?

  • Beaver sitting on its dam
    In Why Do Beavers Build Dams?

    They build dams to raise the water depth around their lodges—their dome-shaped homes made of sticks and mud. This deeper water acts as a natural barrier, making it challenging for predators to access their lodges. It also allows beavers to create underwater entrances, giving them a hidden…

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