Darwin's observations of greeter and lesser South American Rheas, in addition to his observations of the Galapagos Island finches, were an integral part of the development of Darwin's evolutionary theory.
Rheas relatives
Uranus and Gaia
South America
Gaea, the Earth.
yes
No, rheas are native to South America. Yugoslavia is a country in Europe that no longer exists, as it dissolved in the 1990s and its territories are now part of different countries such as Croatia, Serbia, and others.
The American ostrich is often confused with the ostrich native to Africa, but it actually refers to the large, flightless bird known as the rhea. Rheas are native to South America and are characterized by their long legs, large bodies, and inability to fly. They are similar in appearance to ostriches but are smaller and have a different feather structure. Rheas are social animals typically found in open grasslands and savannas.
They have feathers
Ops or Opis.
Anonymously
Rheas, Emus, and Ostriches are all a part of the Ratite family; a family of large flightless birds
native to south america