Ключевые слова: animal, atratus, avian, beak, beautiful, bird, birds, black, black feathers, black swan, calm, calmness, cygnus, elegance, elegant, environment, fauna, feather, feathers, lake, landscape, majestic, nature, neck, one, one bird, outdoor, park, peace, peaceful, plumage, pond, quiet, rare animals, red beak, reflection, river, royal, single, summer, swan, swans, swim, the whole body, water, waterbird, waterfowl, wild, wildlife, zoo,