Body appearance: the mallard duck body type is different from the domestic duck, the body shape of the front tip after the narrow, long oval, large head, short neck, short and narrow beak armor, beak, claws developed; chest broad and plump, tail long and thin, not like the domestic duck has a fat buttocks. The base of the beak and the rim of the eye are surrounded by red or black carinae, and the males have a wider spread. The wing feathers are robust, long to the tail, and the tail feathers are long and slightly upward. Duck feather color for white, black and black and white flower color three, a few silver gray. Feather color is different, body appearance also has some differences.

White duck's feathers are white, pink beak armor, head tubercle bright red fat, chain arrangement, iridescent light gray, feet orange-yellow. If there is a shot of black hair on the top of the head, the beak armor and feet with black spots.

The black duck's feathers are black with dark green luster; only the main wing feathers or compound wing feathers, there are often a few white feathers; the color of the sarcoma is black with red and thin; the role of the mouth is red with black spots; the iridescence is light yellow and the feet are mostly black.

Black and white flower duck feathers vary in black and white. Commonly, the back feathers are black, neck, wing feathers and abdomen with varying amounts of white feathers; there are also black, with white feathers. The beak armor is mostly red with black spots, and the feet are dark yellow.