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The common ostrich is the largest and heaviest living bird. Males stand 2.1 to 2.75 m (6 ft 11 in to 9 ft 0 in) tall and weigh 100 to 130 kg (220 to 290 lb), whereas females are about 1.75 to 1.9 m (5 ft 9 in to 6 ft 3 in) tall and weigh 90 to 120 kg (200 to 260 lb). [20]
The common ostrich is the more widespread of the two living species, and is the largest living bird species. The extinct genus Pachystruthio from the Late Pliocene-Early Pleistocene of Eurasia is one of the largest birds ever. [3] The first species of Struthio appear during the Miocene epoch, though various Paleocene, Eocene, and Oligocene ...
The Masai ostrich (Struthio camelus massaicus), also known as the East African ostrich is a red-necked subspecies variety of the common ostrich and is endemic to East Africa. [2] [3] It is one of the largest birds in the world, second only to its sister subspecies Struthio camelus camelus. [4] Today it is farmed for eggs, meat, and feathers. [5 ...
Ostrich eggs and meat have been used by humans for millennia. Ostrich oil is another product that is made using ostrich fat. Ostriches are 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, cassowaries, kiwis and the ...
Ostriches have only two toes, with one being much larger than the other. Cassowaries have developed long inner toenails, used defensively. Ostriches and rheas have prominent wings; although they do not use them to fly, they do use them in courtship and predator distraction. [39] Without exception, ratite chicks are capable of swimming and even ...
The largest extant species of bird measured by mass is the common ostrich (Struthio camelus), closely followed by the Somali ostrich (Struthio molybdophanes). A male ostrich can reach a height of 2.8 metres (9.2 feet) and weigh over 156.8 kg (346 lb), [ 1 ] A mass of 200 kg (440 lb) has been cited for the ostrich but no wild ostriches of this ...
There is a birth defect of the ear that is visible and relatively common around the world. It is called preauricular sinus which, according to the U.S. National Institutes of Health, or NIH ...
For example, females of nearly all shorebirds have longer bills than males of the same species, [80] and female American avocets have beaks which are slightly more upturned than those of males. [81] Males of the larger gull species have bigger, stouter beaks than those of females of the same species, and immatures can have smaller, more slender ...