The greater rhea (Rhea americana) is a flightless bird found in eastern South America.

- Image ID: R7W62N
The greater rhea (Rhea americana) is a flightless bird found in eastern South America.
Matthias Obermayer / Alamy Stock Photo
Image ID: R7W62N
The greater rhea (Rhea americana) is a flightless bird found in eastern South America. Other names for the greater rhea include the grey, common, or American rhea, nandu Guarani or ema