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Red-breasted Merganser

Mergus serrator

Least Concern

翼開長

46.7 cm

体重

1058.3333333333333 g

科

Anatidae

目

Anseriformes

について

ウミアイサはユーラシアと北米に繁殖する潜水性カモです。雄は緑色の頭部と二重の冠羽、赤い鋸状の嘴が特徴的です。日本では冬鳥として海岸や湾に飛来します。魚を主食とし、沿岸の海や河川で潜って採食します。

Physical Description

Measurement	Value	Imperial
翼開長	46.7 cm	18.4 in
体重	1058.3333333333333 g	37.33 oz

識別

羽毛

Male has dark green shaggy double crest, speckled chestnut breast band, white collar, and grey flanks; red bill. Female has rufous-brown head with ragged crest blending gradually into grey neck without sharp contrast.

Habitat & Range

🌿 Wetland 🌾 Grassland 🏖️ Coastal

分布域

Circumpolar breeder in boreal and Arctic zones. Winters on coasts and large water bodies south to the Mediterranean and southern Asia.

Diet & Feeding

Dives for small fish, crustaceans, and aquatic invertebrates in coastal and freshwater habitats. Pursues fish cooperatively in groups.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: SC,CP. Incubation: 28-35 days. Fledging: 59-69 days.

一腹卵数

6-14

鳴き声

さえずり

Male produces a harsh, rasping series of notes; female gives a rough, guttural grunting. The harsh, rattling call is louder than Goosander; pairs and flocks create a rasping coastal cacophony.

分類学

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

Distribution

Red-breasted Merganser has been recorded in 8 countries.

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生息あり Not recorded

countries highlighted

🇹🇼 Taiwan 🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇦 Ukraine 🇺🇸 United States 🇨🇴 Colombia

External Databases

よくある質問

What does the Red-breasted Merganser eat?

Dives for small fish, crustaceans, and aquatic invertebrates in coastal and freshwater habitats. Pursues fish cooperatively in groups.

Where does the Red-breasted Merganser live?

Circumpolar breeder in boreal and Arctic zones. Winters on coasts and large water bodies south to the Mediterranean and southern Asia.

Is the Red-breasted Merganser endangered?

The Red-breasted Merganser has a conservation status of Least Concern.

How does the Red-breasted Merganser nest?

Nest type: SC,CP. Incubation: 28-35 days. Fledging: 59-69 days.

What does the Red-breasted Merganser sound like?

Male produces a harsh, rasping series of notes; female gives a rough, guttural grunting. The harsh, rattling call is louder than Goosander; pairs and flocks create a rasping coastal cacophony.

How big is the Red-breasted Merganser?

The Red-breasted Merganser has a wingspan of 46.7 cm, weight of 1058.3333333333333 g.

What order and family does the Red-breasted Merganser belong to?

The Red-breasted Merganser (Mergus serrator) belongs to the order Anseriformes and the family Anatidae.