- Small duck.
- Large light blue patches on front of wing, visible in flight.
- Male has bright cinnamon red head and body.
Male DescriptionBreeding (Alternate) Plumage: Bright cinnamon head and body plumage. Dark rump, tail, and undertail. Upper wing with light-blue patch with white rear border. Back of wing iridescent green. Eyes red.
Eclipse (Basic) Plumage: Gray-brown overall, with rusty wash. Small white area at base of bill. Eyes red.
Female DescriptionGray-brown overall, with small white area at base of bill. Bill dark. Light-blue upper wing patch with narrow white border. Back of wing mostly brown, with little green.
Immature DescriptionSimilar to adult female.