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Greater Scaup

Aythya marila

Least Concern

Chiều Dài Sải Cánh

42,7 cm

Khối Lượng

984,0 g

Họ

Anatidae

Bộ

Anseriformes

Giới Thiệu

A medium-sized diving duck. Males have a rounded glossy green-tinged head, white flanks, and black breast; females are brown with white around the bill. Similar to Lesser Scaup but told apart by head shape and nail width. Found on large open water bodies.

Physical Description

Measurement	Value	Imperial
Chiều Dài Sải Cánh	42,7 cm	16.8 in
Khối Lượng	984,0 g	34.71 oz

Nhận Dạng

Bộ Lông

Males have glossy green-black rounded head; white flanks and belly; black breast and undertail; gray back. Yellow eye. Bill blue-gray. Females dark brown with white face patch around bill. Longer white wing stripe than Lesser.

Habitat & Range

Breeds on tundra and boreal lakes in the Arctic and subarctic across Eurasia and North America. Winters in large numbers on coastal bays, estuaries, and large lakes in temperate regions.

🌲 Forest 🌿 Wetland 🌾 Grassland 🏖️ Coastal

Phạm Vi Địa Lý

Breeds in the high Arctic of North America; winters offshore on the Atlantic coast from Labrador to South Carolina.

Diet & Feeding

Eats molluscs, crustaceans, and aquatic invertebrates in coastal and freshwater habitats; diet shifts between invertebrate types.

Tình Trạng Bảo Tồn

Least Concern

IUCN Red List

Hành Vi & Sinh Sản

Làm Tổ

Nest type: CP. Incubation: 26-28 days. Fledging: 40-45 days.

Số Trứng

4-12

Âm Thanh

Tiếng Hót

Male gives a low, purring wheeze; female produces a harsh, rolling quacking sequence. Calls are very similar to Lesser Scaup but slightly lower-pitched; heard on open ocean bays in winter.

Phân Loại Học

Kingdom	Animalia
Phylum	Chordata
Class	Aves
Bộ	Anseriformes (Waterfowl)
Họ	Anatidae (Ducks, Geese & Swans)
Genus	Aythya
Loài	Aythya marila

Distribution

Greater Scaup has been recorded in 5 countries.

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Hiện Diện Not recorded

countries highlighted

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States

External Databases

Câu Hỏi Thường Gặp

What does the Greater Scaup eat?

Eats molluscs, crustaceans, and aquatic invertebrates in coastal and freshwater habitats; diet shifts between invertebrate types.

Where does the Greater Scaup live?

Breeds on tundra and boreal lakes in the Arctic and subarctic across Eurasia and North America. Winters in large numbers on coastal bays, estuaries, and large lakes in temperate regions.

Is the Greater Scaup endangered?

The Greater Scaup has a conservation status of Least Concern.

How does the Greater Scaup nest?

Nest type: CP. Incubation: 26-28 days. Fledging: 40-45 days.

What does the Greater Scaup sound like?

Male gives a low, purring wheeze; female produces a harsh, rolling quacking sequence. Calls are very similar to Lesser Scaup but slightly lower-pitched; heard on open ocean bays in winter.

How big is the Greater Scaup?

The Greater Scaup has a wingspan of 42.7 cm, weight of 984.0 g.

What order and family does the Greater Scaup belong to?

The Greater Scaup (Aythya marila) belongs to the order Anseriformes and the family Anatidae.