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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.
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.
Wildlife shot of an extremely rare Shoebill (Balaeniceps rex) at the shores of Lake Victoria, Uganda. This stork-like waterbird is getting up to a height of 120 cm, outstanding is the unique bill. While the shoebill is called a stork, genetically speaking it is more closely related to the pelican or heron families. The shoebill is could be found in wetlands or swamps in a few regions of Eastern and Central Africa and it is critical endangered.
Portrait of a Rhea. Large flightless ratite. Greater rhea.
Southern Cassowary (Casuarius casuarius) south of Cairns, Queensland, Australia.
An emu bird poses for a photo shoot.
Taxon name: Southern Cassowary\nTaxon scientific name: Casuarius casuarius\nLocation: Cairns, Queensland, Australia
A Greater Rhea, Rhea americana, by pond
A secretary birds on the plain, with beautiful African savannah landscape in Serengeti National Park – Tanzania
A Common Ostrich in the arid Kgalagadi Transfrontier Park straddling South Africa and Botswana.
The grey crowned crane (Balearica regulorum), also known as the African crowned crane, golden crested crane, golden crowned crane, East African crane, East African crowned crane, African crane, Eastern crowned crane, Kavirondo crane, South African crane, and crested crane, is a bird in the crane family, Gruidae.
A large cassowary  looking like a prehistoric bird
Close up portrait of wild mother emu foraging in Australian bushland
Closeup Greater Rhea (Rhea americana) seen from profile
Secretary bird in search for grasshoppers in the tall grasses of the savanna.\n\nTaken in the Masai Mara, Kenya, Africa
The population is spread across the islands of Papua and Maluku in Indonesia and Australia.
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.
Large group of griffon vultures in the wild. Copy space.
Rhea
White on Ibis in a suburban street.
Portrait of Emu Bird, Thailand
Kori Bustard (Ardeotis Kori) in Etosha National Park, Namibia
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.
Close up portrait of wild mother emu foraging in Australian bushland
cassowary bird ( Casuarius casuarius ) in nature environment
Taken in the Okavango Delta, Botswana
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