Ключевые слова: animal, background, backgrounds, beak, beautiful, bird, birdwatching, blue, calm, crested, duck, eggs, environment, europe, fauna, feather, feathers, female, great crested grebe, grebe, green, incubating, lake, mating, mother, natural, nature, neck, nest, one, ornithology, outdoor, outdoors, plumage, podiceps cristatus, reflection, river, scenery, spring, springtime, summer, swim, swimming, water, water surface, waterbird, waterfowl, wild, wildlife,