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Smew

Mergellus albellus

Least Concern

翼開長

37.5 cm

体重

658.75 g

科

Anatidae

目

Anseriformes

について

ミコアイサはユーラシア北部の針葉樹林帯に繁殖し、東アジアで越冬する潜水性カモです。雄は白い体に黒い模様が美しいです。日本では冬鳥として全国の湖沼、池、河川に飛来します。木の洞に営巣し、魚、水生昆虫、甲殻類を潜って採食します。

Physical Description

Measurement	Value	Imperial
翼開長	37.5 cm	14.8 in
体重	658.75 g	23.24 oz

識別

羽毛

Male is largely white with black eye patch, black lines on back, and fine black lines on flanks creating a cracked-ice pattern. Female has chestnut-red head, white cheeks, and grey body.

Habitat & Range

🌲 Forest 🌿 Wetland 🌾 Grassland 🏖️ Coastal

分布域

Breeds in boreal forests of northern Europe and Siberia. Winters on large lakes and coasts from western Europe east to Japan and China.

Diet & Feeding

Dives for small fish, aquatic insects, and crustaceans in freshwater and coastal habitats. Uses serrated bill to grip slippery prey.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: CV. Incubation: 26-28 days. Fledging: 70 days.

一腹卵数

5-11

鳴き声

さえずり

Male gives a soft, crow-like krr note; female produces a grating, rasping call. Both sexes are relatively quiet; the male's harsh, crow-like call is surprisingly low for such a small elegant duck.

分類学

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

Distribution

Smew has been recorded in 5 countries.

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生息あり Not recorded

countries highlighted

🇹🇼 Taiwan 🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden

External Databases

よくある質問

What does the Smew eat?

Dives for small fish, aquatic insects, and crustaceans in freshwater and coastal habitats. Uses serrated bill to grip slippery prey.

Where does the Smew live?

Breeds in boreal forests of northern Europe and Siberia. Winters on large lakes and coasts from western Europe east to Japan and China.

Is the Smew endangered?

The Smew has a conservation status of Least Concern.

How does the Smew nest?

Nest type: CV. Incubation: 26-28 days. Fledging: 70 days.

What does the Smew sound like?

Male gives a soft, crow-like krr note; female produces a grating, rasping call. Both sexes are relatively quiet; the male's harsh, crow-like call is surprisingly low for such a small elegant duck.

How big is the Smew?

The Smew has a wingspan of 37.5 cm, weight of 658.75 g.

What order and family does the Smew belong to?

The Smew (Mergellus albellus) belongs to the order Anseriformes and the family Anatidae.