Webgreater scaup: [noun] a North American diving duck (Aythya marila nearctica) resembling the lesser scaup duck but being slightly larger and having a greenish iridescence on the head of the adult male, breeding in arctic northwestern America, and wintering on both coasts of North America.

The Unintended Catch: Population Declines in Greater Scaup …

WebJan 30, 2015 · SteveClifton. Well-known member. Jan 29, 2015. #5. TringBirder said: The extensive black tip to the bill on the right hand photo eliminates Scaup and so it is a Tufted Duck or hybrid. Cheers. Roy. I noticed that too, and have always believed this to be one of the most reliable ways to ID genuine Scaup from Tuftie or Scaup/Tuftie hybrids, yet it ... WebThe adult greater scaup is 39–56 cm (15–22 in) long with a 71–84 cm (28–33 in) wingspan and a body mass of 726–1,360 g (1.601–2.998 lb). It has a blue bill and yellow eyes and is 20% heavier and 10% longer than the closely related lesser scaup. The male has a dark head with a green sheen, a black breast, a light back, a black tail ... tops a ganchillo

Scaup Duck Facts Aythya Marila - The RSPB

WebGreater 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 … WebAythya marila ( Linnaeus, C 1761) The greater scaup, just scaup in Europe or, colloquially, "bluebill" in North America, is a mid-sized diving duck, larger than the closely related lesser scaup. It spends the summer months breeding in Alaska, northern Canada, Siberia, and the northernmost reaches of Europe. WebGreater Scaup RSPB Marshside - YouTube Three Greater Scaup viewed from Nel’s hide at RSPB Marshside 30/12/19 Three Greater Scaup viewed from Nel’s hide at RSPB Marshside 30/12/19... tops absence waste management