American Black Duck

について

北米東部の湿地、沼、河川に生息するカモ（体長53〜61cm）。全体的に暗褐色でマガモの雌に似るが、嘴の色や翼鏡の色が異なる。Anas rubripes（アメリカクロガモ）は海岸の塩性湿地から内陸の淡水域まで幅広く利用し、マガモとの雑種が多く観察される。Anatidae科。

Physical Description

Measurement	Value	Imperial
翼開長	53.4 cm	21.0 in
体重	1211.25 g	42.73 oz

識別

羽毛

Sooty dark brown body; head and neck paler buff with dark streaking. Iridescent purple speculum without white border. Males have yellow-green bill; females olive with orange blotches. Silvery underwings in flight.

Habitat & Range

Freshwater and brackish wetlands in eastern North America from Atlantic Canada south along the coast to Georgia. Breeds in northern bogs and wetlands. Winters on coastal marshes, estuaries, and freshwater lakes.

🌲 Forest 🌿 Wetland 🏖️ Coastal

分布域

Breeds in the steppe zone of Central Asia; winters in South Asia, East Africa, and coastal Southeast Asia.

Diet & Feeding

Eats fish and aquatic invertebrates; dives in coastal and freshwater habitats; diet shifts toward molluscs in shallow coastal bays.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: SC. Incubation: 23-33 days. Fledging: 58-63 days.

一腹卵数

1-17

鳴き声

さえずり

Female produces a loud, deep quacking series; male gives a low, raspy grunt. Voice is deeper and huskier than a Mallard; pairs call powerfully across northeastern North American wetlands.

分類学

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

Distribution

American Black Duck has been recorded in 4 countries.

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生息あり Not recorded

countries highlighted

🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States

External Databases

よくある質問

What does the American Black Duck eat?

Eats fish and aquatic invertebrates; dives in coastal and freshwater habitats; diet shifts toward molluscs in shallow coastal bays.

Where does the American Black Duck live?

Freshwater and brackish wetlands in eastern North America from Atlantic Canada south along the coast to Georgia. Breeds in northern bogs and wetlands. Winters on coastal marshes, estuaries, and freshwater lakes.

Is the American Black Duck endangered?

The American Black Duck has a conservation status of Least Concern.

How does the American Black Duck nest?

Nest type: SC. Incubation: 23-33 days. Fledging: 58-63 days.

What does the American Black Duck sound like?

Female produces a loud, deep quacking series; male gives a low, raspy grunt. Voice is deeper and huskier than a Mallard; pairs call powerfully across northeastern North American wetlands.

How big is the American Black Duck?

The American Black Duck has a wingspan of 53.4 cm, weight of 1211.25 g.

What order and family does the American Black Duck belong to?

The American Black Duck (Anas rubripes) belongs to the order Anseriformes and the family Anatidae.