Ключевые слова: adult, beach, beautiful, big, bird, brood, cygnet, cygnus, down, downy, duckling, flight, flocculent, flock, fluffy, fly, king, lake, majestic, mature, mute, nature, neck, norge, norway, oslo, puberty, river, sea, seaboard, seashore, shore, shoreline, sit, soft, svane, swan, swim, swiming, virus, white, wild, wildlife, wing, young, youthful,