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The blue-billed duck (Oxyura australis) is a small Australian stiff-tailed duck, with both the male and female growing to a length of 40 cm (16 in). [2] [3] The male has a slate-blue bill which changes to bright-blue during the breeding season, hence the duck's common name.
The greater scaup (Aythya marila), just scaup in Europe or, colloquially, "bluebill" in North America, [3] is a mid-sized diving duck, larger than the closely related lesser scaup and tufted duck. It spends the summer months breeding in Iceland, east across Scandinavia, northern Russia and Siberia, Alaska, and northern Canada.
The blue-billed teal, spotted teal or Hottentot teal (Spatula hottentota) is a species of dabbling duck of the genus Spatula. It is migratory resident in eastern and southern Africa, from Sudan and Ethiopia west to Niger and Nigeria and south to South Africa and Namibia. [1] [2] In west Africa and Madagascar it is sedentary.
The lesser scaup (Aythya affinis) is a small North American diving duck that migrates south as far as Central America in winter. It is colloquially known as the little bluebill or broadbill because of its distinctive blue bill.
The lake duck grows to 36–46 centimetres (14–18 in). Females weigh 510–700 grams (18–25 oz) and males 600–850 grams (21–30 oz). Males can be distinguished from Andean duck (Oxyura ferruginea), a similar species, by being smaller and having a flatter head. [2] Female ducks have an anti-corkscrew vagina made for difficult penetration.
Chubut steamer duck: Tachyeres leucocephalus Humphrey & Thompson, 1981: 40 Torrent duck: Merganetta armata Gould, 1842: 41 Spur-winged goose: Plectropterus gambensis (Linnaeus, 1766) 42 Comb duck: Sarkidiornis sylvicola Ihering, HFA & Ihering, R, 1907: 43 Knob-billed duck: Sarkidiornis melanotos (Pennant, 1769) 44 Blue-winged goose: Cyanochen ...
Plumed whistling ducks Musk duck Black swan Pink-eared duck Pacific black duck. 32 species recorded [20 extant native, 4 introduced, 7 vagrant, 1 hybrid] The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These are adapted for an aquatic existence, with webbed feet, bills that are flattened to a ...
The blue duck or whio (Hymenolaimus malacorhynchos) is a member of the duck, goose and swan family Anatidae endemic to New Zealand. It is the only member of the genus Hymenolaimus . Its exact taxonomic status is still unresolved, but it appears to be most closely related to the tribe Anatini , the dabbling ducks.