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Greater Scaup

Aythya marila

Least Concern

翼展

42.7 cm

体重

984.0 g

科

Anatidae

目

Anseriformes

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关于

斑背潜鸭是广泛分布于全北区的大型潜鸭，繁殖于北极苔原和亚北极地带，越冬于温带沿海水域。雄鸟头部黑绿色有光泽，背部灰白色带细密横纹，胸腹黑色；雌鸟褐色。善潜水，以软体动物、甲壳类和水生植物为食，常在沿海湾和内陆大湖集群越冬。

Physical Description

Measurement	Value	Imperial
翼展	42.7 cm	16.8 in
体重	984.0 g	34.71 oz

识别

羽毛

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

分布范围

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.

保护状况

Least Concern

IUCN Red List

行为与繁殖

筑巢

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

产卵数

4-12

声音

鸣唱

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.

分类学

Kingdom	Animalia
Phylum	Chordata
Class	Aves
目	Anseriformes (Waterfowl)
科	Anatidae (Ducks, Geese & Swans)
Genus	Aythya
物种	Aythya marila

Distribution

Greater Scaup has been recorded in 5 countries.

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出现 Not recorded

countries highlighted

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

External Databases

常见问题

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.