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The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta
Russ Mittermeier, chief of Swiss-based IUCN's Primate Specialist Group, stated that 16,306 species are endangered with extinction, 188 more than in 2006 (total of 41,415 species on the Red List). The Red List includes the Sumatran orangutan ( Pongo abelii ) in the Critically Endangered category and the Bornean orangutan ( Pongo pygmaeus ) in ...
Download as PDF; Printable version ... An endangered species is a species that is very likely to become extinct ... atmospheric carbon dioxide levels rarely rose ...
An IUCN Red List critically endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. [1] As of 2021, of the 120,372 species currently tracked by the IUCN, there are 8,404 species that are considered to be critically ...
A species can be "Near Threatened" (NT) and "Least Concern" (LC), these are species which are considered to have relatively robust and healthy populations, according to the assessment authors. "Endangered" (EN) species lie between "Vulnerable" (VU) and "Critically Endangered" (CR) species. A species must adhere to certain criteria in order to ...
Appendix I contains highly threatened species; most of these are assessed by IUCN or TNC too however. Appendix II includes lesser-threatened and look-alike species; this status may be used for the former if no formal status evaluation by IUCN etc exists. Appendix III does not include globally threatened species; "CITES_A3" is not to be used ...
The species — several birds, mussels, two species of fish and the Little Mariana fruit bat last seen in Guam in 1968 — have been listed as endangered for decades, according to the U.S. Fish ...
This is a list of the bird and mammal species and subspecies described as endangered by the United States Fish and Wildlife Service. It contains species and subspecies not only in the U.S. and its territories, but also those only found in other parts of the world. It does not include endangered fish, amphibians, reptiles, plants, or invertebrates.