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Ornithomimosauria ("bird-mimic lizards") are theropod dinosaurs which bore a superficial resemblance to the modern-day ostrich.They were fast, omnivorous or herbivorous dinosaurs from the Cretaceous Period of Laurasia (now Asia, Europe and North America), as well as Africa and possibly Australia. [9]
Ornithomimids were long-legged, bipedal, ostrich-like dinosaurs with toothless beaks. The type species , Struthiomimus altus , is one of the more common, smaller dinosaurs found in Dinosaur Provincial Park ; their overall abundance—in addition to their toothless beak—suggests that these animals were mainly herbivorous or (more likely ...
Struthionidae (/ ˌ s t r uː θ i ˈ ɒ n ə d iː /; from Latin strūthiō 'ostrich' and Ancient Greek εἶδος (eîdos) 'appearance, resemblance') is a family of flightless birds, containing the extant ostriches and their extinct relatives.
P. dmanisensis has been estimated standing 4 meters (12.5 feet) tall and weighing up to 600 kg (990 lb), making it much larger than the modern ostrich and one of the largest known birds. [1] Although P. dmanisensis is known as the giant ostrich, its relationship to the extant ostriches of the genus Struthio is not clear. [1] [4]
Like the ostrich, it is a fast-running, powerful bird of the open plains and woodlands. Also native to Australia and the islands to the north are the three species of cassowary . Shorter than an emu, but heavier and solidly built, cassowaries prefer thickly vegetated tropical forest.
The beaks of ornithomimosaurs had deeper tips than ratites like the skull this ostrich. 1990. Barsbold and Osmolska performed the first phylogenetic analysis of the internal evolutionary relationships of ornithomimosaurs. [10] They also noted that unlike modern ratite birds, the tip of an ornithomimosaur's beak has a "deep edge". [4]
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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 extinct elephant birds and moas .