Ключевые слова: animal, artistic, artwork, background, biological, biology, canadensis, canadian, captured, carnivorous, common, crepuscular, eat, engraving, enhydra, etching, fauna, fish, float, green, hunt, hunter, illustration, life, lontra, lutra, lutrinae, lutris, mammal, mustelidae, natural, nearctic, north, otter, outdoor, picture, polygyny, pond, pool, prey, prince, river, semiaquatic, sketch, white, wild, wildlife, zoo, zoological,