Greater rhea

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 (Portuguese); or ñandú (Guaraní and Spanish). One of two species in the genus Rhea, in the family Rheidae, it inhabits a variety of open areas, such as grasslands, savanna or grassy wetlands. Weighing 20–27 kilograms (44–60 lb), the greater rhea is the largest native bird in the Americas. In the wild, the greater rhea has a life expectancy of 10.5 years. It is also notable for its reproductive habits, and for the fact that a population has established itself in Northern Germany in recent years. The species is listed as Near Threatened by the IUCN.

Greater rhea
Greater rhea (Rhea americana) in Tierpark Hellabrunn, Munich, Germany.
CITES Appendix II (CITES)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Infraclass: Palaeognathae
Order: Rheiformes
Family: Rheidae
Genus: Rhea
Species:
R. americana
Binomial name
Rhea americana
Subspecies

R. a. albescens (Arribálzaga & Holmberg, 1878)
R. a. americana (Linnaeus, 1758)
R. a. araneipes Brodkorb, 1938
R. a. intermidia Rotschild & Chubb, 1914
R. a. nobilis Brodkorb, 1939

Distribution of subspecies
Synonyms
  • Struthio americanus Linnaeus 1758
  • Struthio camelus americanus (Linnaeus 1758)
  • Struthio rhea von Linné 1766
  • Rhea nandua Temminck 1823
  • Rhea macrorhyncha Sclater 1860
  • Rhea albescens Lynch & Holmberg 1878
  • Rhea rothschildi Brabourne & Chubb 1911
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