Greater scaup - Wikipedia 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
Greater or Lesser Scaup? Here Are the Biggest Differences Between the . . . Once Ring-necked and Tufted Ducks are out of the running, you’re left with the pair that’s toughest to tell apart: scaup During winter, location can be a deciding factor Greater Scaup tend to choose saltwater bodies, while Lesser Scaup are found in freshwater zones further inland
Greater Scaup - eBird Round-headed diving duck Males have black breast, medium gray back, white sides, and yellow eye Head appears black with a greenish sheen in good lighting, never purplish Females are brown overall, grayer on body in winter, with white patch at base of bill and yellow eye
Greater Scaup - Ducks Unlimited The Greater Scaup is a medium-sized diving duck with a circumpolar breeding distribution across North America, Europe, and Asia They are difficult to distinguish from the Lesser Scaup
Tufted Duck, Greater Scaup and Lesser Scaup photo ID guide Tufted Duck is common and widespread in Britain, but hidden among them could be the scarce Greater Scaup or rare Lesser Scaup – learn to pick them out using Andy Stoddart's definitive guide
Scaup | Diving Duck, Sea Duck, North American | Britannica Scaup, (genus Aythya), any of three species of diving ducks (family Anatidae) The greater scaup (A marila), also called the big bluebill, breeds across Eurasia and most of the Nearctic region