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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".
The parasitic relationship between the redhead and other pochards promotes hybridization between the species; redhead hybrids with the ring-necked duck, canvasback and the greater and lesser scaups have been found. [10] Canvasback × redhead hybrids can be fertile. [15]
European hybrids typically involve the tufted duck (A. fuligula), yielding offspring that have a small nape crest unlike any European Aythya species. Female and immature hybrids typically lack the white bill base, except in those between lesser scaup and ring-necked duck, where the white extends to the eye region.
Ring-necked duck, Aythya collaris (A) Greater scaup, ... White-tailed kite Immature harpy eagle. Accipitridae is a family of birds of prey which includes hawks, ...
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.
Order: Anseriformes Family: Anatidae Ring-necked duck (Aythya collaris)The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oi
The extinct Labrador duck is also believed to have been a breeding endemic, ... Ring-necked duck, ... Immature female European starling.
Black-bellied whistling-duck Canada goose Wood duck Falcated duck Ring-necked duck. Order: Anseriformes Family: Anatidae. The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and ...