Blue-billed Duck
NameBlue-billed Duck
Common NameBlue-billed Duck
Scientific NameOxyura australis
FamilyAnatidae
Wingspan (cm)55
Length (cm)40
Weight (g)800
Plumage DetailsBreeding males have a glossy black head and neck, a vibrant cobalt blue bill, and a rich reddish-chestnut body. The stiff tail feathers are dark brown to black and often held upright. Females and non-breeding males are duller, with a dark grey-brown head, a duller grey bill, and a mottled dark brown body.
Vocalization / CallGenerally a silent species, but males may produce soft grunts or whistles during courtship displays. Females may emit a soft quack or growl.
Primary Dietomnivore
Primary Habitatswetland
Conservation Statusnear-threatened
Geographic RangeEndemic to southern Australia, including Tasmania. Its distribution is somewhat fragmented, with populations found in suitable wetland habitats across this region.
Identifying FeaturesBright blue bill (breeding male), Stiff tail feathers often held upright, Black head and chestnut body (breeding male), Diving behavior, Compact body shape
Description
The Blue-billed Duck is a small, compact diving duck known for its stiff tail often held erect. Breeding males are particularly striking with a vibrant blue bill and glossy black head. They are typically found on deep, permanent freshwater wetlands.
