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koty: Common ostrich

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It is distinctive in its appearance, with a long neck and legs, and can run for a long time at a speed of 55 km/h (34 mph) with short bursts up to about 70 km/h (43 mph), the fastest land speed of any bipedal animal.
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The common ostrich (Struthio camelus), or simply ostrich, is a species of flightless bird native to certain areas of Africa (and historically, Arabia) and is the largest living species of bird. The common ostrich is one of two extant species of ostriches, the only living members of the genus Struthio in the ratite group of birds. The other is the Somali ostrich (Struthio molybdophanes), which has been recognised as a distinct species by BirdLife International since 2014, having been previously considered a distinctive subspecies of ostrich. The common ostrich belongs to the order Struthioniformes. Struthioniformes previously contained all the ratites, such as the kiwis, emus, rheas, and cassowaries. However, a recent genetic analysis has found that the group is not monophyletic, as it is paraphyletic with respect to the tinamous, so the ostriches are now classified as the only members of the order. Phylogenetic studies have shown that it is the sister group to all other members of Palaeognathae, and that the flighted tinamous are the sister group to the extinct moa. It is distinctive in its appearance, with a long neck and legs, and can run for a long time at a speed of 55 km/h (3…
Kategoria: koty
Rodzina: koty
Jakość źródła: 65/100
Próby weryfikacji: 3
Notatka fact-checku: Fact-check 3.0-content-aware: no sufficient claim-bound corroboration after 3 healthy attempts. Scope=verify the factual claim. Required independent sources=2; stored evidence groups=0. Provider/API errors did not consume attempts. | Fact-check 4.3.2: research wznowiony bez zdejmowania HOLD. Poprzednia metoda: factcheck-300-content-aware.

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Wikipedia ENpomocniczeniezależne

Evidence: 100 • authority: 72

The common ostrich (Struthio camelus), or simply ostrich, is a species of flightless bird native to certain areas of Africa (and historically, Arabia) and is the largest living species of bird. The common ostrich is one of two extant species of ostriches, the only living members of the genus Struthio in the ratite group of birds. The other is the Somali ostrich (Struthio molybdophanes), which has been recognised as a distinct species by BirdLife International since 2014, having been previously considered a distinctive subspecies of ostrich. The common ostrich belongs to the order Struthioniformes. Struthioniformes previously contained all the ratites, such as the kiwis, emus, rheas, and cas…

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Georg Thieme Verlag KGpomocniczeniezależne

Evidence: 25 • authority: 88

Performance Determinants in Short (68 km) and Long (121 km) Mountain Ultra-Marathon Races. Abstract Background Standard performance parameters measured during a laboratory test have been shown to be related to mountain ultra-marathon performance up to a competition length of 75 km. It is not known if a similar relationship exists for longer races. Objective This study aimed to investigate the association between laboratory-based performance parameters and performance times in a short (68 km) and a long (121 km) mountain ultra-marathon. Materials and Methods Eleven male finishers of the short race and seven male finishers of the long race were investigated. Participants performed an incremen…

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