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Throughout the river valley and along the creeks in the city many trees have been wrapped in metal wire to protect them from being chewed on and felled by beavers. Obviously not every tree can be protected like this so the city is focusing its effort on large and high-valued trees. One does not have to go far to see the effect energetic beavers can have on trees. The forest understory all over the city is littered with tree trunks having chewed on, stumps and felled tree trunks. Beavers require a large number of trees for food and for building dams. I have not seen any beaver dams in Edmonton so I assume that within city limits the beavers use the trees primarily as a food source. As soon as one goes outside the city, however, most lakes, ponds and creeks have lots of beaver dams in them. If the city beavers do not build dams, where do they live? This is a question I have not yet been able to find a satisfactory answer to.