Southern Screamer

关于

角叫鸭 (Chauna torquata)，体长约85–95厘米。体羽灰黑色，颈部白色，翅膀具角质刺突，腿红色，眼红色。分布于南美洲中部湿地，包括巴西、阿根廷和乌拉圭。叫声极响，以水生植物为食。

Physical Description

Measurement	Value	Imperial
翼展	103.4 cm	40.7 in
体重	3550.0 g	125.22 oz

识别

羽毛

Gray body plumage; head pale gray with black collar on neck. Bare red facial skin at base of bill. White wing patches visible in flight. Legs red. Belly whitish. Sexes similar and monomorphic.

Habitat & Range

Freshwater marshes, seasonally flooded grasslands, lake margins, and wet pampas from Bolivia and Brazil south through Paraguay, Uruguay, and Argentina. Tolerates cattle pastures and modified wetlands.

🌿 Wetland

分布范围

Breeds on sub-Antarctic islands in the southern Indian Ocean; disperses at sea in austral winter. Pelagic outside breeding season.

Diet & Feeding

Grazes grasses, sedges, and aquatic vegetation; forms large flocks; diet shifts between wetland plants and farmland crops seasonally.

保护状况

Least Concern

IUCN Red List

行为与繁殖

筑巢

Nest type: PL. Incubation: 43-46 days. Fledging: 56-70 days.

产卵数

2-7

声音

鸣唱

An extremely loud, resonant screaming duet 'chakka-chakka'. Pairs coordinate their calls. Flocks on wetlands create a powerful cacophony audible over great distances.

分类学

Kingdom	Animalia
Phylum	Chordata
Class	Aves
目	Anseriformes (Waterfowl)
科	Anhimidae (Screamers)
Genus	Chauna
物种	Chauna torquata

Distribution

Southern Screamer has been recorded in 1 countries.

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出现 Not recorded

countries highlighted

🇳🇴 Norway

External Databases

常见问题

What does the Southern Screamer eat?

Grazes grasses, sedges, and aquatic vegetation; forms large flocks; diet shifts between wetland plants and farmland crops seasonally.

Where does the Southern Screamer live?

Freshwater marshes, seasonally flooded grasslands, lake margins, and wet pampas from Bolivia and Brazil south through Paraguay, Uruguay, and Argentina. Tolerates cattle pastures and modified wetlands.

Is the Southern Screamer endangered?

The Southern Screamer has a conservation status of Least Concern.

How does the Southern Screamer nest?

Nest type: PL. Incubation: 43-46 days. Fledging: 56-70 days.

What does the Southern Screamer sound like?

An extremely loud, resonant screaming duet 'chakka-chakka'. Pairs coordinate their calls. Flocks on wetlands create a powerful cacophony audible over great distances.

How big is the Southern Screamer?

The Southern Screamer has a wingspan of 103.4 cm, weight of 3550.0 g.

What order and family does the Southern Screamer belong to?

The Southern Screamer (Chauna torquata) belongs to the order Anseriformes and the family Anhimidae.