Ключевые слова: animal, avian, beak, bird, birdlife, birds, birdwatching, czech republic, ducks, fauna, great crested grebe, lake, landscape, migration, nature, ornithology, outdoor, plumage, podiceps cristatus, pond, river, shore, shorebird, southern bohemia, spring, water, waterbird, white, wild, wilderness, wildlife, wings,