Ключевые слова: anatidae, animal, aqua, aquatic, atmosphere, autumn, bird, blurred, color, colorful, colour, colourful, communicate, communication, couple, courting, courtship, cute, cygnus cygnus, display, europe, fauna, feather, ice, ice edge, interaction, japan, japanese, lake, natural, nature, ornithology, pair, poland, season, seasonal, snow, standing, swan, two animals, vintage, water, waterfowl, white, whooper, whooper swan, wild, wilderness, wildlife, winter,