Bird group
Rheas
2 species in this group — each with its conservation status, population estimate and a short description.
Greater Rhea
Rhea americana
The Greater Rhea is the largest native bird of the Americas, a flightless runner of South American grasslands, savannas, and grassy…
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Lesser Rhea
Rhea pennata
The Lesser Rhea, also called Darwin's Rhea, is a smaller rhea of Patagonia and the high Andean Altiplano. It lives in open grassland,…
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