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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 ...
The black-headed parrot is 21 to 25 cm (8.3 to 9.8 in) long and weighs 130 to 170 g (4.6 to 6.0 oz). The sexes are the same. Adults of the nominate subspecies have a black cap from forehead to nape and a rufous-orange band across their hindneck. They are green from their lores to below their eye, and yellow on their lower face, sides of their ...
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.
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 ...
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.
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 ...
Conures are either large parakeets or small parrots found in the Western Hemisphere. They are analogous in size and way of life to Afro-Eurasia 's rose-ringed parakeets or the Australian parakeets. All living conure species live in Central and South America. The extinct Conuropsis carolinensis, or Carolina parakeet was an exception.
The gang-gang cockatoo (Callocephalon fimbriatum) is a parrot found in the cooler and wetter forests and woodlands of Australia, particularly alpine bushland. It is the only species placed in the genus Callocephalon. Mostly mild grey in colour with some lighter scalloping (more pronounced and buffy in females), the male has a red head and crest ...