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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 .
Lesser scaup females and immatures tend to have less white around the bill, but this too varies considerably between individual birds. Lesser Scaup generally have a smaller and straighter bill, with a relatively narrow profile, while Greater Scaup have a wider, more spatulate profile toward the tip of the bill.
Scaup is the common name for three species of diving duck: Greater scaup, or just "scaup", Aythya marila; Lesser scaup, Aythya affinis; New Zealand scaup, Aythya ...
The diving ducks, commonly called pochards or scaups, are a category of duck which feed by diving beneath the surface of the water. They are part of Anatidae, the diverse and very large family that includes ducks, geese, and swans.
The New Zealand scaup (Aythya novaeseelandiae), also known as the black teal (or pāpango in Māori), is a diving duck species of the genus Aythya endemic to New Zealand. [2] They weigh around 650 grams (23 oz) and measure around 40 centimetres (16 in), and have dark-coloured plumage. They are found throughout New Zealand in deep natural and ...
Aythya is a genus of diving ducks, with twelve species currently accepted. [2] The genus was described in 1822 by the German zoologist Friedrich Boie, with the type species being greater scaup.
New Zealand scaup: Aythya novaeseelandiae (Gmelin, JF, 1789) 138 Ring-necked duck: Aythya collaris (Donovan, 1809) 139 Tufted duck: Aythya fuligula (Linnaeus, 1758) 140 Greater scaup: Aythya marila (Linnaeus, 1761) 141 Lesser scaup: Aythya affinis (Eyton, 1838) 142 Steller's eider: Polysticta stelleri (Pallas, 1769) 143 Spectacled eider ...
Greater scaup: R - R U Lesser scaup: U - U F Surf scoter: C U C C White-winged scoter: U - U U Bufflehead - - U C Common goldeneye - - U F Hooded merganser - - U F Common merganser: U U U U Red-breasted merganser: F - U F Ruddy duck: F U F C Osprey: U - U - White-tailed kite: U U F F Northern harrier - - U U Sharp-shinned hawk: F U F F Cooper's ...