Ключевые слова: action, alert, america, animal, animals, aquatic, berries, bird, black, black crowned, blackcrowned, blue, circling, crowned, feathers, flight, flying, gray, heron, landing, large, looking, motion, nature, night, night heron, night heron flying, nightheron, nocturnal, north, outdoors, red, regal, sky, soaring, staring, watching, waterbird, waterfowl, white, wild, wildlife, wings, wingspan,