Ключевые слова: animal, ardea, avian, aviay, beak, bill, bird, birds, blue, eye, feather, feathers, fowl, gray, great, grey, habitat, herodias, heron, hunter, lake, large, long, natural, nature, ornithology, park, preserve, profile, river, shorebird, tall, wading, water, waterfowl, wild, wildlife, wing, wings, yellow,