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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 .
Greater scaup, Aythya marila (B) Lesser scaup, Aythya affinis (B) King eider, Somateria spectabilis (B) Common eider, Somateria mollissima (B) Harlequin duck, Histrionicus histrionicus; Surf scoter, Melanitta perspicillata (B) White-winged scoter, Melanitta deglandi (B) Black scoter, Melanitta americana (B) Long-tailed duck, Clangula hyemalis (B)
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 ...
Greater scaup: Iceland, Northern Europe, Northern Asia except the Far East (A. m. marila); far northeastern Asia, Alaska, northern Canada (A. m. nearctica) least concern A. affinis: Lesser scaup: Alaska through western Canada to western Montana, wintering east to the Atlantic Coast and south to Central America; occasional visitor to Western Europe
Research what birds are in your geographical region so you know the best types of food to provide because different species require different food. "Black-oil sunflower is an excellent food source ...
Scaup is the common name for three species of diving duck: Greater scaup, or just "scaup", Aythya marila; Lesser scaup, Aythya affinis;
The subgenus Aythya (the "scaup", including New Zealand Scaup, ring-necked duck, tufted duck, greater scaup and lesser scaup) is the sister group of subgenus Nyroca. The subgenus Aristonetta (the "redheads", including the common pochard, canvasback and redhead) is the sister group of all other pochards. [5]
Most of the ducks are migratory, arriving in late April to early May from north-western Europe. The commonest species at the lake is the tufted duck with 6,000 pairs present, whilst the second most abundant species is the greater scaup with 1,500 pairs.