Flying Steamerduck

Male:
Head and Neck:
April to September: grey brown, Darker on crown, tinged cinnamon on throat, with short white stripe running back and down from behind eye. 
October to December: mainly very pale grey to whitish, darkest on lore's, lacking stripe behind eye, Still with cinnamon tinge on throat. 
January to March: much darker and very variable can be:

• Dark brown with white-eye ring and cinnamon throat.
• Dark grey on crown but brown on face.
• Dark grayish - purple with small whitish eye - stripe and cinnamon throat. Bill very orange-yellow, paler and sometimes tinged towards tip . Legs and feet orange-yellow with dusky webs.

Female:
Head and neck 
April to September: dark grey crown above dark brown face, becoming paler to rear and down neck, forming slight paler collar at base, but throat dark cinnamon; whitish stripe behind eye, as male. 
October to December: brown face acquires Rufus tinge, but eye-stripe and collar less obvious or absent. 
January to March: variable, some as in April to September but with whitish eye-ring and indistinct stripe to rear, others much paler on face and neck but with more obvious eye stripe. Bill slate blue; legs and feet slightly paler then male.

Juvenile:
Head and neck Dark, almost blackish-brown, slightly roufus sides, with whitish eye-ring and thin stripe behind. Bill bluish black, with slight orange at base; legs and yellow-brown. Acquires adult plumage during first year.

Three plumages and molts per year. Body plumage typical of all steamer ducks, slate-grey above breast and flanks, all with quite broad darker edges producing noticeable mottled effect. Feather edgings reddish-brown in this species. Belly, vent and undertail converts white. Tail dark grey and up turned at end. Dark grey forewing and primaries, with white seconderies. Tips of closed wing reach approximately to base of tail.