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Depending on the South American region, the rhea is known locally as ñandú guazu (Guaraní –or related Tupi nhandú-gûasú– meaning "big spider" [5] most probably concerning their habit of opening and lowering alternate wings when they run), [citation needed] ema , suri (Aymara and Quechua), [6] [7] or choique .
The greater rhea is considered a Near Threatened species according to the IUCN, and they have a decreasing range of about 6,540,000 square kilometres (2,530,000 sq mi). [5] The species is believed to be declining due to increased hunting [1] and the conversion of central South American grasslands to farmland and ranchland. [36]
Darwin's rhea or the lesser rhea (Rhea pennata) is a large flightless bird, the smaller of the two extant species of rheas. It is found in the Altiplano and Patagonia in South America . Description
South America has two species of rhea, large fast-running birds of the Pampas. The larger American rhea grows to about 1.4 metres (4 ft 7 in) tall and usually weighs 15 to 40 kilograms (33–88 lb). [18] The smallest ratites are the five species of kiwi from New Zealand. Kiwi are chicken-sized, shy, and nocturnal.
Extant members are found in South America. While the IOC World Bird List and the Clements Checklist categorise Rheiformes as its own order, [3] [4] the BirdLife Data Zone includes rheas, along with ostriches, tinamous, cassowaries, emu, and kiwis, in the order Struthioniformes. [5]
Greater rhea: Rhea americana LR/nt South American pampas Lesser rhea: Rhea pennata LR/nt Population in Chile and in Argentina Apterygidae. Apteryx. Name ...
The paleognaths (Palaeognathae) are a clade of bird species of gondwanic distribution in Africa, South America, New Guinea, Australia and New Zealand.The group have more than 50 living species and includes the ostriches, rheas, kiwis, emus, cassowaries and tinamous.
Greater rhea. Order: Rheiformes Family: Rheidae. The rheas are large flightless birds native to South America. Their feet have three toes rather than four which allows them to run faster. Greater rhea, Rhea americana (near-threatened)