Coscoroba Swan

关于

白天鹅雁是南美洲特有的一种白色水鸟，外形介于天鹅和雁之间，为天鹅科中最小的成员。全身白色，嘴和腿部红色，翼尖具黑色羽毛。繁殖于南美洲南部的湖泊和湿地，越冬于巴西和阿根廷北部，以水生植物为食。常在草地和湿地环境中成群活动。

Physical Description

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

识别

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

分布范围

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.

保护状况

Least Concern

IUCN Red List

行为与繁殖

筑巢

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

产卵数

4-9

声音

鸣唱

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

分类学

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

Distribution

Coscoroba Swan has been recorded in 6 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}

出现 Not recorded

countries highlighted

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

External Databases

常见问题

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.