Ключевые слова: animal, animals, bark, beaver, beaver activities, beavers, bite, boat, broken, brown, chew, cut, dam, damage, destruction, ecology, environment, forest, forestry, gnaw, gnawed, mammal, natural, nature, no people, old wood, outdoor, outdoors, park, plant, river, riverside, rodent, stump, teeth, timber, tree, tree trunk, trees, trunk, water, wild, wilderness, wildlife, wood, wooden,