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List of bird genera concerns the chordata class of aves or birds, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, and a high metabolic rate. Restless flycatcher in the downstroke of flapping flight
Many groups retained primitive characteristics, such as clawed wings and teeth, though the latter were lost independently in a number of avialan groups, including modern birds (Aves). [39] Increasingly stiff tails (especially the outermost half) can be seen in the evolution of maniraptoromorphs, and this process culminated in the appearance of ...
Birdperson, a character from the television series Rick and Morty, is a tall humanoid with eagle wings who is later renamed "Phoenixperson." Prince Vultan's hawkmen from the 1980 space opera film Flash Gordon. Arakkoas from the World of Warcraft expansions (first appearing in WoW: Burning Crusade), a race of bird humanoids with avian features.
Class Aves, divided into superorders, orders, suborders (where indicated), and families. Paleognathae Struthioniformes : mainly southern hemisphere; 12 species, 2 extinct
[1] [2] Linnaeus generally followed the classification scheme introduced by the English parson and naturalist John Ray which grouped species based on the characteristics of each species’ bill and feet. [3] The 10th edition appeared in 1758 and was the first in which Linnaeus consistently used his binomial system of nomenclature. He increased ...
Until the 1980s, there was little subdivision of the Aves in general, and even less of phylogenetic merit. Since then, the availability of massive amounts of new data from fossils (especially Enantiornithes and other Mesozoic birds) and molecular (DNA and protein) sequences allowed scientists to refine the classification. With new groups of ...
Aves (modern birds) Ornithurae (meaning "bird tails" in Greek ) is a natural group that includes modern birds and their very close relatives such as Ichthyornis and the hesperornithines . This clade is defined in the PhyloCode by Juan Benito and colleagues in 2022 as "the smallest clade containing Ichthyornis dispar , Hesperornis regalis , and ...
Elementaves is a proposed clade of birds, comprising a diverse group of birds who occupy various different ecological niches.They include the clades Phaethoquornithes and Strisores, as well as the Gruimorphae and Opisthocomiformes.