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Quetzalcoatlus (/ k ɛ t s əl k oʊ ˈ æ t l ə s /) is a genus of azhdarchid pterosaur that lived during the Maastrichtian age of the Late Cretaceous in North America. The type specimen, recovered in 1971 from the Javelina Formation of Texas, United States, consists of several wing fragments and was described as Quetzalcoatlus northropi in 1975 by Douglas Lawson.
Pterosaurs included the largest flying animals ever to have lived. They are a clade of prehistoric archosaurian reptiles closely related to dinosaurs. Species among pterosaurs occupied several types of environments, which ranged from aquatic to forested. Below are the lists that comprise the smallest and the largest pterosaurs known as of 2022.
California condors are North America's largest flying land birds. [3] Among all living flying birds, the Andean condor is the third heaviest after the Kori bustard and great bustard (up to 21 kg or 46 lb), and second only to the wandering albatross (up to 3.5 m or 11 ft 6 in) in wingspan.
The largest known flying animal was formerly thought to be Pteranodon, a pterosaur with a wingspan of up to 7.5 metres (25 ft). However, the more recently discovered azhdarchid pterosaur Quetzalcoatlus is much larger, with estimates of the wingspan ranging from 9 to 12 metres (30 to 39 ft).
The Andean condor is the largest living land bird capable of flight if measured in terms of average weight and wingspan, although male bustards of the largest species (far more sexually dimorphic in size) can weigh more. [14] [19] [20] The mean wingspan is around 283 cm (9 ft 3 in) and the wings have the largest surface area of any extant bird ...
Ardeotis kori kori flying near Windhoek, Namibia. They are arguably the largest or one of the largest extant flying animals. Kori bustards spend most of their time on the ground, with up to 70% of their time being on foot, [3] although they do occasionally forage in low bushes and trees. This bustard is a watchful and wary bird.
Azhdarchids include some of the largest flying animals discovered, but smaller cat-size members have also been found. [2] Originally considered a sub-family of Pteranodontidae, Nesov (1984) [3] named the Azhdarchinae to include the pterosaurs Azhdarcho, Quetzalcoatlus, and Titanopteryx (now known as Arambourgiania). They were among the last ...
The largest bats are the flying foxes, with the giant golden-crowned flying fox (Acerodon jubatus) reaching a weight of 1.6 kg (3.5 lb) and having a wingspan of 1.7 m (5 ft 7 in). The second largest order of mammals after rodents , bats comprise about 20% of all classified mammal species worldwide, with over 1,400 species.