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The ring-necked duck (Aythya collaris) is a diving duck from North America commonly found in freshwater ponds and lakes. [3] The scientific name is derived from Greek aithuia , an unidentified seabird mentioned by authors including Hesychius and Aristotle , and Latin collaris , "of the neck" from collum , "neck".
Hybrids between lesser scaup and ring-necked ducks are recognizable by very dark wings contrasting with a light grey underside more than in the lesser scaup but less than in the ring-necked duck. Hybrids between the lesser scaup and the redhead (A. americana) are recognizable by the lack of contrast between wings and belly and the dull brownish ...
A tufted duck in flight showing the white wingbar. The species are plump, compact, medium-sized ducks ranging from 37–61 cm long, 60–84 cm wingspan, and weighing 410–1600 g, with canvasback the largest, and ring-necked duck and ferruginous duck marginally the smallest.
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 .
This group of ducks is so named because its members feed mainly by diving, although in fact the Netta species are reluctant to dive, and feed more like dabbling ducks. These are gregarious ducks, mainly found on fresh water or on estuaries, though the greater scaup becomes marine during the northern winter. They are strong fliers; their broad ...
New Zealand scaup; R. ... Ring-necked duck; T. Tufted duck This page was last edited on 25 August 2014, at 14:32 (UTC). Text is available under the ...
Ring-necked duck, Aythya collaris (A) Greater scaup, Aythya marila (A) Lesser scaup, Aythya affinis; Hooded merganser, Lophodytes cucullatus (A) Red-breasted merganser, Mergus serrator (A) Masked duck, Nomonyx dominicus (A) Ruddy duck, Oxyura jamaicensis (A)
Ring-necked duck, Aythya collaris; Greater scaup, Aythya marila; Lesser scaup, Aythya affinis; King eider, Somateria spectabilis (A) Common eider, Somateria mollissima (A) Harlequin duck, Histrionicus histrionicus (C) Surf scoter, Melanitta perspicillata; White-winged scoter, Melanitta deglandi; Black scoter, Melanitta americana; Long-tailed ...