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Conservationists building beaver dams to help restore B.C.'s drying Columbia Wetlands
Summary by Ground News
The Columbia Wetlands are an important resting and breeding grounds for over 160 species of migratory birds. The area has been drying for decades due to human activity and climate change. Conservationists are trying to restore the wetlands by building dams in areas beavers have vacated. The man-made structures are made of willow posts, clay, mud, burlap sacks and debris.