Ключевые слова: alone, animal, background, beach, beak, beautiful, beauty, bird, blue, bright, delight, duck, ducks, ecosystem, elegance, excellent, family, feather, frozen, grace, graceful, group, horizontal, ice, lake, landscape, love, mallard, nature, neck, ornithology, outdoors, peaceful, pecker, pond, position, purity, quiet, river, romance, scene, silhouette, swan, tenderness, tranquil, water, white, wildlife, wing, winter,