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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.
A tufted duck × common pochard hybrid. Note the casual resemblance to a lesser scaup in head shape, but distinguishable by the more uniform (less vermiculated) mantle feathers, and the bill pattern with a pale band and large black tip (uniform bluish in lesser scaup).
Scaup is the common name for three species of diving duck: Greater scaup, or just "scaup", Aythya marila; Lesser scaup, ...
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 ...
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 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 oils. Forty-one species have been recorded in Idaho.
Ring-necked duck, Aythya collaris; Greater scaup, Aythya marila; Lesser scaup, Aythya affinis; King eider, Somateria spectabilis (A) Surf scoter, Melanitta perspicillata; White-winged scoter, Melanitta deglandi (A) Black scoter, Melanitta americana; Long-tailed duck, Clangula hyemalis (A) Bufflehead, Bucephala albeola; Common goldeneye ...
Ring-necked duck, Aythya collaris; Greater scaup, Aythya marila (A) Lesser scaup, Aythya affinis; White-winged scoter, Melanitta deglandi (A) Bufflehead, Bucephala albeola (A) Hooded merganser, Lophodytes cucullatus (A) Red-breasted merganser, Mergus serrator (A) Masked duck, Nomonyx dominicus (A) Ruddy duck, Oxyura jamaicensis (A)