Ключевые слова: adult, animal, autumn, background, beak, bird, birdwatching, blue, colony, creek, danube, delta, evening, flock, great, group, lake, large, light, migration, morning, natural, nature, onocrotalus, outdoors, pelecanus, pelican, reservoir, rest, river, shore, soft, suburban, summer, water, white, wild, wildlife,