Ключевые слова: animal, animals, beak, beautiful, bird, birds, birdwatching, duck, ecosystem, fauna, great crested grebe, habitat, lake, migratory, natural habitat, nature, ornithology, outdoor, outdoors, peaceful, podiceps cristatus, pond, preening, reflection, river, species, spring, still water, swim, water, waterfowl, wild, wild animals, wildlife, wildlife animals, wildlife watching,