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The glossy black cockatoo's closest relative is the red-tailed black cockatoo; the two species form the genus Calyptorhynchus. [2] They are distinguished from the other black cockatoos of the genus Zanda by different tail colour and head pattern, significant sexual dimorphism , and differences in two juvenile call types, a squeaking begging ...
Endangered (EN) species are considered to be facing a very high risk of extinction in the wild. In December 2019, the International Union for Conservation of Nature (IUCN) listed 460 endangered avian species. [1] Of all evaluated avian species, 4% are listed as endangered. No subpopulations of birds have been evaluated by the IUCN.
Of all evaluated avian species, 76.9% are listed as least concern. No subpopulations of birds have been evaluated by the IUCN. This is a complete list of least concern 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.
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 plumage of males and females is similar in most species. The plumage of the female cockatiel is duller than the male, but the most marked sexual dimorphism occurs in the gang-gang cockatoo and the two species of black cockatoos in the subgenus Calyptorhynchus, namely the red-tailed and glossy black cockatoos. [42]
See: List of endangered birds, List of critically endangered birds. Vulnerable, endangered and critically endangered species are collectively referred to as threatened species by the IUCN. Additionally, 53 avian species (0.48% of those evaluated) are listed as data deficient , meaning there is insufficient information for a full assessment of ...
In Hong Kong, a feral population of yellow-crested cockatoos could be the last hope for the critically endangered species. Researcher Astrid Andersson is on a mission to safeguard the species and ...
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.