Canvasback

关于

帆背潜鸭是北美体型最大的潜鸭，因雄鸟拱形的背部轮廓似帆船而得名。繁殖于北美大平原的草原壶穴湿地，越冬于大西洋和太平洋沿岸海湾。雄鸟头部砖红色，背部灰白色，嘴部细长黑色；雌鸟褐色。主要以水下植物茎根为食，善深潜。

Physical Description

Measurement	Value	Imperial
翼展	44.7 cm	17.6 in
体重	1223.25 g	43.15 oz

识别

羽毛

Males have rich chestnut-red head and neck; black breast; pale canvas-gray body; white flanks. Sloping forehead profile with dark red bill and red eye. Females gray-brown with reddish-brown head. Dimorphic diving duck.

Habitat & Range

Breeds on prairie potholes and boreal lakes across western North America. Winters on large open lakes, reservoirs, estuaries, and Chesapeake Bay. Sensitive to loss of prairie wetlands.

🌿 Wetland 🏖️ Coastal

分布范围

Breeds in wooded wetlands of Canada and the northern United States; winters in the southern US and Central America.

Diet & Feeding

Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet dominated by invertebrates.

保护状况

Least Concern

IUCN Red List

行为与繁殖

筑巢

Nest type: PL. Incubation: 23-29 days. Fledging: 63-77 days.

产卵数

2-16

声音

鸣唱

Male produces a low, cooing purr; female gives a harsh, rolling quacking series. Males whisper-call in rolling, cooing notes during courtship; female's harsh quacking is emphatic on North American marshes.

分类学

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

Distribution

Canvasback has been recorded in 8 countries.

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出现 Not recorded

countries highlighted

🇹🇼 Taiwan 🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States

External Databases

常见问题

What does the Canvasback eat?

Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet dominated by invertebrates.

Where does the Canvasback live?

Breeds on prairie potholes and boreal lakes across western North America. Winters on large open lakes, reservoirs, estuaries, and Chesapeake Bay. Sensitive to loss of prairie wetlands.

Is the Canvasback endangered?

The Canvasback has a conservation status of Least Concern.

How does the Canvasback nest?

Nest type: PL. Incubation: 23-29 days. Fledging: 63-77 days.

What does the Canvasback sound like?

Male produces a low, cooing purr; female gives a harsh, rolling quacking series. Males whisper-call in rolling, cooing notes during courtship; female's harsh quacking is emphatic on North American marshes.

How big is the Canvasback?

The Canvasback has a wingspan of 44.7 cm, weight of 1223.25 g.

What order and family does the Canvasback belong to?

The Canvasback (Aythya valisineria) belongs to the order Anseriformes and the family Anatidae.