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The data place most of the diversification of psittaciformes around 40 Mya, after the separation of Australia from West Antarctica and South America. [ 2 ] [ 4 ] Divergence of the Psittacidae from the ancestral parrots resulted from a common radiation event from what was then West Antarctica into South America, then Africa, via late Cretaceous ...
Parrots (Psittaciformes), also known as psittacines (/ ˈsɪtəsaɪnz /), [ 1 ][ 2 ] are birds with a strong curved beak, upright stance, and clawed feet. [ a ] They are classified in four families that contain roughly 410 species in 101 genera, found mostly in tropical and subtropical regions. The four families are the Psittaculidae (Old World ...
True parrots have a beak with a characteristic curved shape, the jaw with a mobility slightly higher than where it connects with the skull, and a generally upright position. They also have a large cranial capacity and are one of the most intelligent bird groups. They are good fliers and skillful climbers on branches of trees.
A genus (or genus group) is always italicized and capitalized, even when not paired with a species or subspecies name, and whether given in full or abbreviated: Allosaurus, Falco, Anas, and the "E." in E. coli. Supergenus and subgenus, when applicable, are treated the same way. A genus section is only capitalized.
Parrots, also known as psittacines (/ ˈsɪtəsaɪnz /), [1][2] are the 402 species of birds that make up the order Psittaciformes, found in most tropical and subtropical regions, of which 387 are extant. The order is subdivided into three superfamilies: the Psittacoidea ("true" parrots), the Cacatuoidea (cockatoos), and the Strigopoidea (New ...
The following cladogram shows how the family Psittaculidae relates to the three other families in the order Psittaciformes.The tree is based on the work by Leo Joseph and collaborators published in 2012 but with the choice of families and the number of species in each family taken from the list maintained by Frank Gill, Pamela Rasmussen and David Donsker on behalf of the International ...
Psittacus is a genus of African grey parrots in the subfamily Psittacinae. It contains two species: the grey parrot (Psittacus erithacus) and the Timneh parrot (Psittacus timneh). For many years, the grey parrot and Timneh parrot were classified as subspecies; the former as the nominate, the latter as P. e. timneh.
Psittacula. Psittacula, also known as Afro-Asian ring-necked parrots, is a genus of parrots from Africa and Southeast Asia. It is a widespread group with a clear concentration of species in south Asia, but also with representatives in Africa and the islands of the Indian Ocean. This is the only genus of parrot which has the majority of its ...