Ключевые слова: animal, autumn, beaver, beavers, brown, build, chip, cut, damage, destruction, ecology, ecosystem, environment, forest, gnawed, grass, hard work, i will give, job, lake, landscape, mammal, marks, natural, nature, outdoors, park, plant, pond, protection, river, rodent, shoulder, spring, teeth, timber, tree, trunk, wild, wildlife, wood, wooden, woods,