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A Greater Rhea, Rhea americana, by pond
Australian native Emu walking through the bush
secretary bird walking on wild grass. The secretarybird or secretary bird (Sagittarius serpentarius) is a very large, mostly terrestrial bird of prey. Endemic to Africa.
White common ostrich
Americana ostrich nandu is a large bird looking away. Close-up of an ostrich's head on a blurred background of nature.
Ostrich isolated on white
Darwin's rhea, Rhea pennata also known as the lesser rhea. It is a large flightless bird, but the smaller of the two extant species of rheas.
The greater rhea (Rhea americana) is a flightless bird found in eastern South America and is found in the Pantanal, Brazil
Adult ostrich isolated on white background
Close up portrait of wild mother emu foraging in Australian bushland
Female Ostrich in Nairobi National Park, Kenya
Emu (Dromaius novaehollandiae)
A cassowary, Casuarius casurarius, looking at camera. This flightless and large bird has been named the world’s most dangerous bird in the Guinness Book of Records.
Headshot of a Nandu, also called Rhea Americana, Common Rhea or simply Rhea which is, like the ostrich, a ratite bird.
Closeup Greater Rhea (Rhea americana) seen from profile
Taxon name: Southern Cassowary\nTaxon scientific name: Casuarius casuarius\nLocation: Cairns, Queensland, Australia
A large cassowary  looking like a prehistoric bird
Close up portrait of wild mother emu foraging in Australian bushland
Ostrich head
Cut out on white background ostrich
portrait of an Emu (Dromaius novaehollandiae) at zoo in Taipei Taiwan
Camoflage doesn't get much better than this! An emu on a drought-stricken paddock.
Ostriches are large flightless birds of the genus Struthio in the order Struthioniformes, part of the infra-class Palaeognathae, a diverse group of flightless birds also known as ratites that includes the emus, rheas, and kiwis. There are two living species of ostrich: the common ostrich, native to large areas of sub-Saharan Africa and the Somali ostrich, native to the Horn of Africa. They lay the largest eggs of any living land animal. With the ability to run at 70 km/h (43.5 mph), they are the fastest birds on land. They are farmed worldwide, particularly for their feathers as they are used as decoration and feather dusters. Their skin is also used for leather products. They are the heaviest living birds.
Greater rhea (Rhea americana) or nandu is a ostrich like flightless bird living in Southamerican pampas. Torres del Paine national park, Chile
A closeup of a Greater rhea head with grey hair
Emu from Queensland, Australia.  Large soft-feathered Flightless birds with long necks and legs. Dry grassland, Native to Australia.
An illustration of Gastornis, an extinct genus of large flightless birds that lived during the late Paleocene and Eocene epochs of the Cenozoic era. They grew to a height of 6.6 feet.
in Namib-Naukluft National Park, Namibia
an australian emu isolated on white background
Kori Bustard (Ardeotis Kori) in Etosha National Park, Namibia
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