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The grey parrot (Psittacus erithacus), also known as the Congo grey parrot, African grey parrot or Congo African grey parrot, is an African parrot in the family Psittacidae. The Timneh parrot ( Psittacus timneh ) was previously treated as a subspecies of the grey parrot, but has since been elevated to a full species.
For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of extinction". An even higher risk is faced by critically endangered species, which meet the quantitative criteria for endangered species. Critically endangered birds are listed ...
This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follow the conventions of The Clements Checklist of Birds of the World, 2022 edition. The family accounts at the beginning of each heading reflect this taxonomy, as do the species counts found in each family ...
Of all evaluated avian species, 9.1% are listed as near threatened. No subpopulations of birds have been evaluated by the IUCN. This is a complete list of near threatened avian species evaluated by the IUCN. Where possible common names for taxa are given while links point to the scientific name used by the IUCN.
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 greatest diversity of parrots is in South America and Australasia. [ 5 ] The Cacatuoidea are quite distinct, having a movable head crest, a different arrangement of the carotid arteries, a gall bladder , differences in the skull bones, [ 6 ] and lack the Dyck texture feathers that—in the Psittacoidea—scatter light to produce the vibrant ...
As of December 2019, the International Union for Conservation of Nature (IUCN) listed 223 critically endangered avian species, including 19 which are tagged as possibly extinct or possibly extinct in the wild. [1] [2] 2% of all evaluated avian species are listed as critically endangered. No subpopulations of birds have been evaluated by the IUCN.
The family Psittacidae or holotropical parrots is one of three families of true parrots. It comprises the 12 species of subfamily Psittacinae (the Afrotropical parrots) and 167 of subfamily Arinae (the New World or Neotropical parrots ) including several species that have gone extinct in recent centuries.