Ключевые слова: animal, animals, autumn, bark tree, beaver, beavers, bite, brown, chew, chewed, chopping wood, cut, cut tree, dam, damage, destruction, ecology, environment, fallen, flood control, forest, gnaw, gnawed, lake, natural, natural environment, nature, outdoor, outdoors, river, rodent control, rodents, stump, summer, teeth, teeth marks, timber, tree, trees, trunk, wild, wildlife, wood,