Coscoroba Swan

について

コスコロバはコウノトリに近縁とも言われる南米固有のハクチョウに似た大型水鳥です。白い羽毛と赤い嘴・脚が特徴的です。南米南部の湿地、湖、河口に生息し、水草、藻類、種子を採食します。コスコロバ属の唯一の種です。

Physical Description

Measurement	Value	Imperial
翼開長	84.2 cm	33.1 in
体重	4200.0 g	148.15 oz

識別

羽毛

Entirely white plumage except black wingtips visible in flight. Bright red bill and red legs and feet. Red eye-ring. More goose-like than true swans. Juvenile has brownish wash. Sexes similar.

Habitat & Range

Freshwater lakes, marshes, lagoons, and flooded grasslands from southern Brazil through Uruguay, Chile, and Argentina to Tierra del Fuego. Partially migratory; moves northward in winter. Nests in reedy margins.

🌿 Wetland

分布域

Breeds in western North American prairies and parklands; winters in California, the Southwest, and northern Mexico.

Diet & Feeding

Eats seeds, aquatic plants, and invertebrates; dabbles and upends in shallow water; diet more invertebrate-heavy in breeding season.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: M. Incubation: 35 days. Fledging: 91-98 days.

一腹卵数

4-9

鳴き声

さえずり

A bugling, honking 'coscoroba' call — giving the species its onomatopoeic name. Loud and far-carrying. Less commonly heard than northern hemisphere swans.

分類学

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

Distribution

Coscoroba Swan has been recorded in 6 countries.

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生息あり Not recorded

countries highlighted

🇧🇪 Belgium 🇫🇷 France 🇩🇪 Germany 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom

External Databases

よくある質問

What does the Coscoroba Swan eat?

Eats seeds, aquatic plants, and invertebrates; dabbles and upends in shallow water; diet more invertebrate-heavy in breeding season.

Where does the Coscoroba Swan live?

Freshwater lakes, marshes, lagoons, and flooded grasslands from southern Brazil through Uruguay, Chile, and Argentina to Tierra del Fuego. Partially migratory; moves northward in winter. Nests in reedy margins.

Is the Coscoroba Swan endangered?

The Coscoroba Swan has a conservation status of Least Concern.

How does the Coscoroba Swan nest?

Nest type: M. Incubation: 35 days. Fledging: 91-98 days.

What does the Coscoroba Swan sound like?

A bugling, honking 'coscoroba' call — giving the species its onomatopoeic name. Loud and far-carrying. Less commonly heard than northern hemisphere swans.

How big is the Coscoroba Swan?

The Coscoroba Swan has a wingspan of 84.2 cm, weight of 4200.0 g.

What order and family does the Coscoroba Swan belong to?

The Coscoroba Swan (Coscoroba coscoroba) belongs to the order Anseriformes and the family Anatidae.