It could appear on any of the self colours. The breast white starts in front of the thigh and passes between the legs to beyond the vent. A third area of white is present on the wings covering the primaries, secondaries and lower part of the wing bow. This pattern can be bred on self colours and wild mallard colours. The female is almost entirely white, greyish head, light coloured wing and tail, normal speculum.
Males are the lightest in the harlequin group with normal markings.
Males darker and more red than the spot male. Minor modifications in the harlequin restricts the colour under the chin around the neck down the breast and ventral areas of the female. The male will have white eye streaks in the eclipse plumage.