Greater Rhea
Rhea americana
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<birdfyi-bird slug="rhea-americana"></birdfyi-bird>The Greater Rhea (Rhea americana) is a bird species in the family Rheidae (rheas), within the order Rheiformes (rheas). Recorded measurements include a wingspan of 120.9 cm and a weight of 25.2 kg. The IUCN Red List classifies it as Near Threatened.
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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
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 |
| 目 | Rheiformes (Rheas) |
| 科 | Rheidae (Rheas) |
| Genus | Rhea |
| 種 | Rhea americana |
Distribution
Greater Rhea has been recorded in 9 countries.
countries highlighted
External Databases
よくある質問
What does the Greater Rhea eat?
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What does the Greater Rhea sound like?
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Similar Birds
Other species in the Rheidae family