Ключевые слова: adult, anas, anatidae, animal, aquatic, avian, beak, beautiful, bill, bird, birdwatching, blue, brown, colorful, drake, duck, fauna, feather, female, fowl, green, habitat, head, hen, hunting, lake, mallard, natures, orange, ornithology, outdoor, park, plumage, pond, reflection, river, shoveler, skin, spring, summer, swim, watching, water, waterfowl, wetland, white, wild, wildlife, wings, yellow,