American Wigeon

について

北米原産のアメリカオカヨシガモ。雄は緑と白の頭部パターンが特徴的で、体長45〜56cm。湖、池、湿地に生息。主に水中植物の葉、茎、根を食べる草食性。北アメリカで越冬し、南アメリカや中央アメリカへも渡る。低危険種。

Physical Description

Measurement	Value	Imperial
翼開長	50.6 cm	19.9 in
体重	938.125 g	33.09 oz

識別

羽毛

Males have white forehead and crown; iridescent green eye patch; pinkish-buff breast; gray flanks; white belly. White forewing patch in flight. Females mottled brown-gray with gray head. Dimorphic.

Habitat & Range

Breeds on freshwater lakes and marshes in boreal and northern forest of North America. Winters on coastal bays, estuaries, freshwater wetlands, and agricultural fields from the southern United States to Central America.

🌿 Wetland 🌾 Grassland 🏖️ Coastal

分布域

Resident across Australia and parts of New Guinea. Sedentary in wetlands; locally nomadic in arid interior zones.

Diet & Feeding

Eats seeds, aquatic plants, and invertebrates; dabbles in shallow water; diet more invertebrate-heavy in breeding season.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: SC. Incubation: 23-25 days. Fledging: 37-48 days.

一腹卵数

3-12

鳴き声

さえずり

Male produces a three-note whew-whew-wheoo whistle; female gives a low grunting purr. The male's clear, looping whistle is distinctive on North American ponds and marshes.

分類学

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

Distribution

American Wigeon has been recorded in 8 countries.

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生息あり Not recorded

countries highlighted

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

External Databases

よくある質問

What does the American Wigeon eat?

Eats seeds, aquatic plants, and invertebrates; dabbles in shallow water; diet more invertebrate-heavy in breeding season.

Where does the American Wigeon live?

Breeds on freshwater lakes and marshes in boreal and northern forest of North America. Winters on coastal bays, estuaries, freshwater wetlands, and agricultural fields from the southern United States to Central America.

Is the American Wigeon endangered?

The American Wigeon has a conservation status of Least Concern.

How does the American Wigeon nest?

Nest type: SC. Incubation: 23-25 days. Fledging: 37-48 days.

What does the American Wigeon sound like?

Male produces a three-note whew-whew-wheoo whistle; female gives a low grunting purr. The male's clear, looping whistle is distinctive on North American ponds and marshes.

How big is the American Wigeon?

The American Wigeon has a wingspan of 50.6 cm, weight of 938.125 g.

What order and family does the American Wigeon belong to?

The American Wigeon (Mareca americana) belongs to the order Anseriformes and the family Anatidae.