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Greater Rhea

Rhea americana

Near Threatened
翼開長
120.9 cm
体重
25250.0 g
Rheidae
Rheiformes

について

South America's largest bird, standing up to 1.5 m tall with fluffy grey-brown plumage and long, powerful legs. Flightless, fast-running, and omnivorous—eating plants, insects, and small vertebrates. Found across open grasslands, pampas, and cerrado from Brazil to Argentina. Males incubate eggs and raise chicks alone.

Physical Description

Measurement Value Imperial
翼開長 120.9 cm 47.6 in
体重 25250.0 g 890.67 oz

識別

羽毛

Overall gray-brown plumage with loose, shaggy feathers covering the body. Black collar at base of neck in males. Females are paler. Underparts whitish; bare gray neck and head.

Habitat & Range

Open grasslands, pampas, cerrado, and agricultural fields in eastern and central South America. Prefers flat terrain with scattered shrubs. Adapts to cattle ranches and crop fields at low to mid elevations.

分布域

Widespread in eastern South American grasslands from northeastern Brazil to Argentina. Resident in the Pampas and Cerrado; does not migrate.

Diet & Feeding

Herbivore of South American pampas; eats broad-leafed plants, seeds, fruits, and opportunistically insects and small lizards.

保全状況

Near Threatened
IUCN Red List

行動と繁殖

営巣

Nest type: SC. Incubation: 27-43 days.

一腹卵数

20-30

鳴き声

さえずり

Males produce a deep, resonant booming call. Females emit softer, lower contact calls. Courting males call loudly with a 'naaaaao' booming sound to attract multiple females.

分類学

Kingdom Animalia
Phylum Chordata
Class Aves
Rheiformes (Rheas)
Rheidae (Rheas)
Genus Rhea
Rhea americana

Distribution

Greater Rhea has been recorded in 9 countries.

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生息あり Not recorded
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countries highlighted

External Databases

よくある質問

What does the Greater Rhea eat?
Herbivore of South American pampas; eats broad-leafed plants, seeds, fruits, and opportunistically insects and small lizards.
Where does the Greater Rhea live?
Open grasslands, pampas, cerrado, and agricultural fields in eastern and central South America. Prefers flat terrain with scattered shrubs. Adapts to cattle ranches and crop fields at low to mid elevations.
Is the Greater Rhea endangered?
The Greater Rhea has a conservation status of Near Threatened.
How does the Greater Rhea nest?
Nest type: SC. Incubation: 27-43 days.
What does the Greater Rhea sound like?
Males produce a deep, resonant booming call. Females emit softer, lower contact calls. Courting males call loudly with a 'naaaaao' booming sound to attract multiple females.
How big is the Greater Rhea?
The Greater Rhea has a wingspan of 120.9 cm, weight of 25250.0 g.
What order and family does the Greater Rhea belong to?
The Greater Rhea (Rhea americana) belongs to the order Rheiformes and the family Rheidae.

Similar Birds

Other species in the Rheidae family

比較

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