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Rheas are large, flightless birds with grey-brown plumage, long legs and long necks, similar to an ostrich. Large males of R. americana can reach 170 cm (67 in) tall at the head, 100 cm (39 in) at the back [11] and can weigh up to 40 kg (88 lb). [12] . The lesser rhea is smaller, with a height of 100 cm (39 in). [11] .
Rheas are tall, flightless birds in the Rheidae family. Within the family, researchers recognize two living species of these birds, the Greater Rhea, and the Lesser Rhea. Both species hail from South America, where they live in different regions. Superficially, they appear similar to ostriches and emus, but they are only distantly related.
The greater rhea (Rhea americana) is a species of flightless bird native to eastern South America. Other names for the greater rhea include the grey, common, or American rhea; ema ; or ñandú (Guaraní and Spanish).
Rhea, either of two species of large, flightless birds in the family Rheidae, order Rheiformes. They are native to South America and are related to the ostrich and emu. The common rhea (Rhea americana) is found in open country from northeastern Brazil southward to Argentina, while Darwin’s rhea.
Greater rhea are the largest native bird to South America. These graceful giants can stand up to 5.9 feet (1.8 meters) tall and weigh up to 88 pounds (40 kilograms). While they can have a similar mass to the lesser rhea, they often appear larger and are taller due to longer legs, and neck.
Rheas are the largest South American bird. They weigh between 33 and 66 pounds (15 and 30 kilograms) and stand 3-5 feet (0.9-1.5 meters) tall. Males are typically larger than the females. Native Habitat.
These large South American birds roam the open pampas and sparse woodlands of Argentina and Brazil. The greater rhea is the largest of all South American birds and is related to ostriches and...
