Ключевые слова: adorable, animal rights, aquatic, beaver, conservation, construction, cute, dam, ecological balance, endangered species, foraging, fur, gnawing, industrious, keystone species, mammal, natural history, nature, nature conservation, nocturnal, north america, nuisance, pest, river, rodents, semiaquatic, silhouette, sustainable living, tail, teeth, urban wildlife, wetlands, wetlands management, wildlife, wildlife photography,