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Goosander

Mergus merganser

Least Concern

翼開長

54.2 cm

体重

1488.0 g

科

Anatidae

目

Anseriformes

について

カワアイサはユーラシアと北米の淡水域に広く分布する大型の潜水性カモです。雄は緑色の頭部と白い体、赤い鋸状の嘴が特徴的です。日本では冬鳥として全国の河川や湖に飛来します。魚を潜って捕食します。木の洞や岩の割れ目に営巣します。

Physical Description

Measurement	Value	Imperial
翼開長	54.2 cm	21.3 in
体重	1488.0 g	52.49 oz

識別

羽毛

Male has dark green iridescent head, salmon-pink suffused white body, and black back; red serrated bill. Female has rufous-brown head with neat white chin patch, grey body, and pinkish-buff breast.

Habitat & Range

🌲 Forest 🌿 Wetland 🏖️ Coastal

分布域

Breeds across boreal forests of North America, Europe, and Asia. Winters on coasts and large rivers south to the Mediterranean and South Asia.

Diet & Feeding

Dives for fish, especially salmon and trout, in rivers and lakes. Also takes frogs, crustaceans, and molluscs. Highly piscivorous.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: CV,O,SC. Incubation: 30-32 days. Fledging: 60-70 days.

一腹卵数

4-22

鳴き声

さえずり

Male gives a harsh, crow-like karrr call; female produces a guttural, grunting series. Both sexes produce loud, nasal calls; the male's harsh croaking is a distinctive winter river sound.

分類学

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

Distribution

Goosander has been recorded in 6 countries.

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生息あり Not recorded

countries highlighted

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

External Databases

よくある質問

What does the Goosander eat?

Dives for fish, especially salmon and trout, in rivers and lakes. Also takes frogs, crustaceans, and molluscs. Highly piscivorous.

Where does the Goosander live?

Breeds across boreal forests of North America, Europe, and Asia. Winters on coasts and large rivers south to the Mediterranean and South Asia.

Is the Goosander endangered?

The Goosander has a conservation status of Least Concern.

How does the Goosander nest?

Nest type: CV,O,SC. Incubation: 30-32 days. Fledging: 60-70 days.

What does the Goosander sound like?

Male gives a harsh, crow-like karrr call; female produces a guttural, grunting series. Both sexes produce loud, nasal calls; the male's harsh croaking is a distinctive winter river sound.

How big is the Goosander?

The Goosander has a wingspan of 54.2 cm, weight of 1488.0 g.

What order and family does the Goosander belong to?

The Goosander (Mergus merganser) belongs to the order Anseriformes and the family Anatidae.