Gadwall

关于

赤膀鸭是北美和欧亚大陆广泛分布的水面鸭，雄鸟羽色低调，以其翼后缘的栗红色翼镜为特征，嘴黑色，腿橙色；雌鸟褐色。繁殖于北温带湖泊和沼泽，越冬于温带至亚热带地区。以水生植物为主食，偶尔取食无脊椎动物。

Physical Description

Measurement	Value	Imperial
翼展	50.3 cm	19.8 in
体重	857.5 g	30.25 oz

识别

羽毛

Males have finely vermiculated gray-brown plumage with black rump and undertail. White speculum patch diagnostic in flight. Females mottled brown like Mallard but smaller and with orange-sided bill. Subtle but elegant.

Habitat & Range

Freshwater lakes, reservoirs, marshes, and rivers with emergent vegetation across Eurasia and North America. Winters on large open wetlands and coastal estuaries. Range and population increasing in Europe.

🌿 Wetland 🌾 Grassland 🏖️ Coastal

分布范围

Found year-round in Australia and New Zealand; nomadic in arid Australia, following temporary rainfall-fed wetlands.

Diet & Feeding

Dabbles for seeds and aquatic invertebrates; diet shifts toward invertebrates in spring; forages in shallow tropical wetlands.

保护状况

Least Concern

IUCN Red List

行为与繁殖

筑巢

Nest type: SC. Incubation: 21-27 days. Fledging: 48-63 days.

产卵数

5-15

声音

鸣唱

Male utters a soft, nasal nheck note; female produces a series of descending, quacking notes. Both sexes are relatively quiet; female's quacking is softer and less strident than a Mallard.

分类学

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

Distribution

Gadwall has been recorded in 7 countries.

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出现 Not recorded

countries highlighted

🇹🇼 Taiwan 🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States 🇨🇴 Colombia

External Databases

常见问题

What does the Gadwall eat?

Dabbles for seeds and aquatic invertebrates; diet shifts toward invertebrates in spring; forages in shallow tropical wetlands.

Where does the Gadwall live?

Freshwater lakes, reservoirs, marshes, and rivers with emergent vegetation across Eurasia and North America. Winters on large open wetlands and coastal estuaries. Range and population increasing in Europe.

Is the Gadwall endangered?

The Gadwall has a conservation status of Least Concern.

How does the Gadwall nest?

Nest type: SC. Incubation: 21-27 days. Fledging: 48-63 days.

What does the Gadwall sound like?

Male utters a soft, nasal nheck note; female produces a series of descending, quacking notes. Both sexes are relatively quiet; female's quacking is softer and less strident than a Mallard.

How big is the Gadwall?

The Gadwall has a wingspan of 50.3 cm, weight of 857.5 g.

What order and family does the Gadwall belong to?

The Gadwall (Mareca strepera) belongs to the order Anseriformes and the family Anatidae.