Ключевые слова: animal, animals, ardea, avian, beak, beautiful, bird, birds, black, blue, cinerea, egret, eye, fauna, feather, feathers, fishing, flight, flying, grass, gray, gray heron, great, green, grey, grey heron, head, heron, lake, large, marsh, natural, nature, neck, ornithology, outdoor, outdoors, plumage, pond, portrait, river, standing, watching, water, wetland, white, wild, wildlife, wing, wings,