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.

2024年6月13日 · Use this guide to identify, hunt, and cook bluebills. Bluebills will feed on clams, mussels, and other aquatic vegetation. The lesser and greater scaup are better known as …

The bluebills are the genus Spermophaga of the estrildid finches family. These birds are found in tropical Africa. They are gregarious seed eaters with short, thick, blue and red bills. All have plumage which is mainly crimson and black or dark grey. The members are: Republic of Congo, the Democratic Republic of the Congo and Uganda.

The western bluebill (Spermophaga haematina) is a common species of estrildid finch found in Africa. [2] It has an estimated global extent of occurrence of 1,900,000 km 2.

Known as the “bluebill” across North America, the greater scaup is the larger of the closely related lesser scaup. It is a mid-sized diving duck with yellow irises and a characteristic blue bill.

2014年5月21日 · Greater and lesser scaup share a number of traits, not the least of which is a distinctive blue bill, from which they derive their popular nickname "bluebills." The origin of the term scaup, however, is less clear.

Bluebills in the US fall into two subspecies: the greater scaup and the lesser scaup. Here's what you need to know about bluebills.

Lesser scaup (also called bluebills) are a diving duck. They are fast fliers and can be found near larger bodies of water, where they sometimes sit in flocks of more than 10,000. General description: Medium sized diving duck, shaped like a bulb. …

Western Bluebill is the only bluebill or seedcracker in which the male has a black head. Calls include high-pitched whistles: “psiu.” Songs include longer series of clear whistles with varying pitch.

2025年3月7日 · The term “ bluebill ” is a colloquial name most commonly used to refer to two species of diving ducks: the Lesser Scaup (Aythya affinis) and the Greater Scaup (Aythya marila). While both are often called bluebills, they are distinct species with some key differences.