White-headed Steamer Duck
NameWhite-headed Steamer Duck
Common NameWhite-headed Steamer Duck
Scientific NameTachyeres leucocephalus
FamilyAnatidae
Wingspan (cm)85
Length (cm)67.5
Weight (g)3600
Plumage DetailsAdult males display a prominent white head and upper neck, often with a slight grey wash on the crown. The body is dark grey, heavily mottled with white speckles, particularly on the flanks and back. The bill is bright orange with a distinct black tip, and the feet are orange. Females and immatures are generally duller, with a greyish-brown head and body.
Vocalization / CallVocalizations include a variety of harsh, guttural croaks, grunts, and hisses, especially during territorial displays or when alarmed. Males also produce a distinctive 'steaming' sound by beating their wings and feet on the water surface.
Primary Dietcarnivore
Primary Habitatscoastal
Conservation Statusnear-threatened
Geographic RangeEndemic to a restricted coastal strip of Argentina, primarily along the coast of Chubut province.
Identifying FeaturesDistinctive white head and upper neck (males), Bright orange bill with a black tip, Dark grey, mottled body plumage, Flightless (most individuals), Large, heavy-bodied duck, Orange feet
Description
This large, heavy-bodied duck is endemic to coastal Argentina and is notable for being flightless. Males have a striking white head and bright orange bill, contrasting with a dark grey, mottled body. They are typically found in coastal marine environments, diving for food.
