Ключевые слова: aix galericulata, animal, asian animals, beak, bird, bird park, bird species, captive, captive animal, captivity, color, colorful, colorful feathers, colorful plumage, decorative, duck, duck species, feather, feathered, fowl, jurong, jurong bird park, lake, lake birds, male, male bird, male duck, male mandarin duck, mandarin, mandarin duck, plumage, waterfowl, zoo, zoo animals, zoo attraction,