Jan 28, 2017 · During migration and winter, Greater Scaup form large flocks on bays, lakes, and larger wetlands. They tend to form tight groups with each other and sometimes mix with other …

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 …

3 days ago · Comprehensive guide to the Scaup: Learn how to distinguish between the Greater and Lesser species, explore their diving ecology, and review their conservation status.

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.

Jan 19, 2017 · 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, (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.

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 …

2 days ago · Greater or lesser scaup? Anchorage, AK today. Scott Burger and 17 others 18 reactions · 12 comments 󱎖 Duck species identification at Beltzville State Park, Pennsylvania …

The only circumpolar diving duck, the Greater Scaup breeds across the tundra regions in North America and Europe. They congregate by the hundreds and thousands along the Pacific and …

The Greater Scaup is a medium-sized diving duck with a distinctive rounded head and blue-grey bill. Males in breeding plumage have a glossy black head, neck, and breast, contrasting with a …