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Pheasants (/ ˈ f ɛ z ə n t s / FEH-zənts) are birds of several genera within the family Phasianidae in the order Galliformes. Although they can be found all over the world in introduced (and captive) populations, the pheasant genera's native range is restricted to Eurasia.
The common pheasant (Phasianus colchicus), ring-necked pheasant, or blue-headed pheasant, a bird in the pheasant family (Phasianidae). The genus name comes from Latin phasianus 'pheasant'. The species name colchicus is Latin for 'of Colchis ' (modern day Georgia ), a country on the Black Sea where pheasants became known to Europeans. [ 2 ]
Birds can be listed in more than one category: for example, the Canada goose has a large introduced population but there have also been a few naturally occurring vagrants, and the white-tailed eagle is a native species that is also subject to an ongoing reintroduction project, so both species meet the criteria for categories A and C.
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.
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 ...
The majority of the species were considered endangered in the 1970s and 1980s when they “were in very low numbers or likely already extinct at the time of listing,” the release said.
Canada: Canada jay. Selected as national bird by the Royal Canadian Geographical Society through an expert panel and Canadian Geographic magazine reader poll. The Canadian government does not recognize the designation. Perisoreus canadensis: No [26] Cayman Islands: Grand Cayman parrot: Amazona leucocephala caymanensis: Yes [27] Chile: Andean condor
The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.