Why do beavers build dams?

Beavers build their homes on the banks of streams or rivers. But before that, they build dams. This creates a dash that protects the hut from the flow of water. When creating the dam, the beavers rolled the trees, tanning them with strong front teeth. On the sides of the dam are covered with clay, and the middle is filled with stones and hamsters. From the hay behind the dam is a hut, to get into which you can from the water. Beavers sleep in it, store food, remove offspring. And I dune, and repair it and strengthen it with the help of clay, different branches. Beavers live in North America, as well as in Europe and Asia. "

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