Ostrich bird in natural habitat large clock

Personalize (add your text or change the image) on photography of ostrich - a wild bird standing an watching. An ostrich stands. its head turned slightly. The bird's feathers are ruffled and it is surrounded by earthy tones. Ostriches are large flightless birds. They are the heaviest and largest living birds, With the ability to run at 70 km/h (43 mph) they are the fastest birds on land. Ostriches belong to the genus Struthio in the order Struthioniformes, part of the infra-class Palaeognathae, a diverse group of flightless and weakly-flying birds also known as ratites that includes the cassowaries, emus, rheas, kiwi, tinamous, and the extinct elephant birds and moa.