Ключевые слова: animal, ardea, avian, beak, beautiful, beauty, bird, birding, birds, cinerea, ecology, egret, environment, fauna, feather, feathers, field, flight, fly, grass, gray, heron, lake, landscape, large, mammal, marsh, migrations, national, natural, nature, outdoors, park, plumage, pond, sky, swamp, wader, water, wetland, white, wild, wilderness, wildlife, wing, wings,