Tufted Duck

について

ヨーロッパからアジアにかけて繁殖し、南方で越冬する潜水ガモ（体長40〜47cm）。雄は光沢のある黒い体と白い脇が特徴で、頭後部に垂れる冠羽が名前の由来。Aythya fuligula（キンクロハジロ）は日本全国の冬の湖沼・海岸で普通に見られ、水中深くまで潜って水生植物や二枚貝を食べる。Anatidae科。

Physical Description

Measurement	Value	Imperial
翼開長	39.4 cm	15.5 in
体重	700.0 g	24.69 oz

識別

羽毛

Males black with white flanks; rounded head with long drooping black tuft. Yellow eye. Females dark brown with shorter tuft; pale flanks; sometimes white at base of bill. Bold white wing stripe in flight. Dimorphic.

Habitat & Range

Breeds on freshwater lakes and rivers with emergent vegetation across Eurasia from Iceland and western Europe east to Siberia and Japan. Winters on large open lakes, reservoirs, and sheltered coastal bays.

🌿 Wetland 🏖️ Coastal

分布域

Breeds in sub-Arctic and boreal Canada; winters along the Atlantic coast and in the Caribbean. Rare elsewhere in winter.

Diet & Feeding

Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic prey in coastal shallow water.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Incubation: 23-28 days. Fledging: 45-50 days.

一腹卵数

3-22

鳴き声

さえずり

Male emits a soft, low wheeze; female gives a grating, repeated quack. A common call on Eurasian freshwater lakes; male's soft purring is quiet while female's quacking is emphatic and rapid.

分類学

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

Distribution

Tufted Duck has been recorded in 7 countries.

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生息あり Not recorded

countries highlighted

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

External Databases

よくある質問

What does the Tufted Duck eat?

Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic prey in coastal shallow water.

Where does the Tufted Duck live?

Breeds on freshwater lakes and rivers with emergent vegetation across Eurasia from Iceland and western Europe east to Siberia and Japan. Winters on large open lakes, reservoirs, and sheltered coastal bays.

Is the Tufted Duck endangered?

The Tufted Duck has a conservation status of Least Concern.

How does the Tufted Duck nest?

Incubation: 23-28 days. Fledging: 45-50 days.

What does the Tufted Duck sound like?

Male emits a soft, low wheeze; female gives a grating, repeated quack. A common call on Eurasian freshwater lakes; male's soft purring is quiet while female's quacking is emphatic and rapid.

How big is the Tufted Duck?

The Tufted Duck has a wingspan of 39.4 cm, weight of 700.0 g.

What order and family does the Tufted Duck belong to?

The Tufted Duck (Aythya fuligula) belongs to the order Anseriformes and the family Anatidae.