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Barrow's Goldeneye

Bucephala islandica

Least Concern

翼開長

44.3 cm

体重

838.0 g

科

Anatidae

目

Anseriformes

について

アナチダエ科の中型の洞営巣ガモ（約840g）で、雄は紫色光沢の頭部と三日月形の白い顔斑を持つ。北米西部とアイスランドの山地湖近くで繁殖；沿岸の湾で越冬する。無脊椎動物と小魚を潜って食べる。営巣に大きな木の洞が必要な軽度懸念種。

Physical Description

Measurement	Value	Imperial
翼開長	44.3 cm	17.4 in
体重	838.0 g	29.56 oz

識別

羽毛

Male has iridescent purple-black head with crescent-shaped white facial patch; white body with black scapulars bearing bold white spots. Female grey with brown head, white collar; head rounder than Common Goldeneye.

Habitat & Range

🌿 Wetland 🏖️ Coastal

分布域

Breeds in Iceland, western Canada, and locally the western United States. Winters on coasts and lakes of the Pacific Northwest and eastern Canada.

Diet & Feeding

Dives for crustaceans, aquatic insects, and molluscs in mountain lakes and coastal bays. Diet similar to Common Goldeneye.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: CR,CV. Incubation: 28-34 days. Fledging: 56 days.

一腹卵数

6-14

鳴き声

さえずり

Male produces a whistled, nasal kaow-kaow call; female gives a harsh quacking series. The male's wheezy, double call differs from Common Goldeneye; heard on western North American lakes.

分類学

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

Distribution

Barrow's Goldeneye has been recorded in 9 countries.

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生息あり Not recorded

countries highlighted

🇧🇪 Belgium 🇫🇷 France 🇩🇪 Germany 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States

External Databases

よくある質問

What does the Barrow's Goldeneye eat?

Dives for crustaceans, aquatic insects, and molluscs in mountain lakes and coastal bays. Diet similar to Common Goldeneye.

Where does the Barrow's Goldeneye live?

Breeds in Iceland, western Canada, and locally the western United States. Winters on coasts and lakes of the Pacific Northwest and eastern Canada.

Is the Barrow's Goldeneye endangered?

The Barrow's Goldeneye has a conservation status of Least Concern.

How does the Barrow's Goldeneye nest?

Nest type: CR,CV. Incubation: 28-34 days. Fledging: 56 days.

What does the Barrow's Goldeneye sound like?

Male produces a whistled, nasal kaow-kaow call; female gives a harsh quacking series. The male's wheezy, double call differs from Common Goldeneye; heard on western North American lakes.

How big is the Barrow's Goldeneye?

The Barrow's Goldeneye has a wingspan of 44.3 cm, weight of 838.0 g.

What order and family does the Barrow's Goldeneye belong to?

The Barrow's Goldeneye (Bucephala islandica) belongs to the order Anseriformes and the family Anatidae.