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 diving ducks.

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.

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 tend to …

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.

Explore key field marks that separate the Lesser Scaup and Greater Scaup, including head shape, wing stripe, and subtle plumage differences.

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 brown …

With its distinctive diving prowess and striking plumage, this sea duck is a favorite among coastal birdwatchers worldwide. Think you've spotted a Greater Scaup? The Greater Scaup is a medium …

The Greater scaup (Aythya marila) is a diving duck also known as scaup in Europe or, colloquially, "bluebill" in North America. The name of this bird may come from "scalp", a Scottish and Northern …

Diving ducks can't launch from water straight into the air like puddle ducks can. Instead, they patter along the water surface for several yards before becoming airborne. Minnesota diving ducks are the …