Ключевые слова: alert, animal, ardea, avian, background, beak, beautiful, beauty, bird, blue, city, environment, europe, eye, face, fauna, feather, feathers, fish, fishing, grass, gray, green, grey, grey heron, head, heron, lake, marsh, natural, nature, neck, ornithology, outdoor, outdoors, outside, park, plumage, pond, portrait, river, standing, summer, watching, water, wetland, white, wild, wildlife, wings,