Ключевые слова: aix, animal, animals, avian, beak, bird, black swan, brahminy duck, colorful, comb duck, crystal, drake, duck, ducks, environment, feather, gardens, goose, hunting, indian runner, khaki campbell, lake, lesser whistling duck, male, mallard, mandarin duck, muscovy, mute swan, north, oregon, ornithology, pekin, plumage, pond, portland, reflection, rhododendron, ruddy shelduck, sponsa, springs, swan, tufted duck, waterfowl, wetland, whitewinged duck, wild, wildlife, wood, wood duck, yiliang,