| Context: Annotation: "[female] ashy gray where [male] is black. White [elions?] through veiling of gray on throat (nearly clear) forebreast (as in [male]) and in paling of the scapulars. inner secondaries as in Az. Am.[female]." "Silvery with black shaded margins on 4 feathers. Then abruptly white Lesser coverts ashy. greater sec. cov. white with a dusky spot at tip." "greyish blue" "Brownish lightly freckled with buff, tail glaucus" "Back upper flanks and forebreast good black.". Phillips, John C., A Natural History of the Ducks, Vol. 4, plate 78.