
Struthio is a genus of birds in the order Struthioniformes, whose members are the ostriches. It is 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 and the Somali ostrich.They are large flightless birds of Africa who lay the largest eggs of any living land animal. With the ability to run at 70 km/h, they are fastest bird on land. It is farmed worldwide, particularly for its feathers as they are used as decoration and feather dusters. Its skin is also used for leather products.

Struthio is a genus of birds in the order Struthioniformes, whose members are the ostriches. It is 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 and the Somali ostrich.They are large flightless birds of Africa who lay the largest eggs of any living land animal. With the ability to run at 70 km/h, they are fastest bird on land. It is farmed worldwide, particularly for its feathers as they are used as decoration and feather dusters. Its skin is also used for leather products.

The Arabian ostrich, Syrian ostrich, or Middle Eastern ostrich is an extinct subspecies of the ostrich that lived on the Arabian Peninsula and in the Near East until the mid-20th century.

The Asian or Asiatic ostrich, is an extinct species of ostrich that ranged from Morocco, the Middle East to China and Mongolia. Fossils date from the upper Pliocene to the early Holocene. Beads made from shells taken from archaeological sites in India dating to more than 25000 years were found to have traces of DNA and analysis of sequences examined from them show that the species is definitely in the genus Struthio.

The Arabian ostrich, Syrian ostrich, or Middle Eastern ostrich is an extinct subspecies of the ostrich that lived on the Arabian Peninsula and in the Near East until the mid-20th century.

The common ostrich or simply ostrich, is a species of large flightless bird native to certain large areas of Africa. It is one of two extant species of ostriches, the only living members of the genus Struthio in the ratite order of birds. The other is the Somali ostrich, which was recognized as a distinct species by BirdLife International in 2014 having been previously considered a very distinctive subspecies of ostrich.

The Masai ostrich, also known as the East African ostrich is a red-necked subspecies variety of the common ostrich and is endemic to East Africa. It is one of the largest birds in the world, second only to its sister subspecies Struthio camelus camelus. Today it is hunted and farmed for eggs, meat, and feathers.

The North African ostrich,red-necked ostrich, or Barbary ostrich is the nominate subspecies of the common ostrich from West and North Africa. It is the largest subspecies, making it the largest living bird.

The Somali ostrich, also known as the blue-necked ostrich, is a large flightless bird native to the Horn of Africa. It was previously considered a subspecies of the common ostrich, but was identified as a distinct species in 2014.

The South African ostrich, also known as the black-necked ostrich, Cape ostrich or southern ostrich is a subspecies of the common ostrich endemic to Southern Africa. It is widely farmed for its meat, eggs and feathers.