Ключевые слова: air, animal, ardea, ardea cinerea, background, beak, beautiful, beauty, bird, blue, cloud, fauna, flight, fly, free, freedom, frog, frost, grey, grey heron, heron, high, ice, light, migrate, migrating, nature, one, outdoor, pond, prey, river, sky, snow, space, symbol, water, wildlife, wind, wing, winter, wintering,