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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 December 2023, of the 157,190 species currently on the IUCN Red List, 9,760 of those are listed as critically endangered ...
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
Critically endangered (CR) – in a particularly and extremely critical state. Endangered (EN) – very high risk of extinction in the wild, meets any of criteria A to E for Endangered. Vulnerable (VU) – meets one of the 5 Red List criteria and thus considered to be at high risk of unnatural (human-caused) extinction without further human ...
Amphibians — List of critically endangered amphibians; Birds — List of critically endangered birds; Fish — List of critically endangered fishes; Invertebrates — List of critically endangered invertebrates. Arthropods — List of critically endangered arthropods. Insects — List of critically endangered insects; Molluscs List of ...
There are five species of rhinos in the world. Three of them, including the Javan rhino, are critically endangered, while two are threatened. The Javan rhino is the most endangered of the five ...
Endangered (EN): faces a high risk of extinction in the near future. Examples: Blue whale , Black-footed ferret , Ginkgo , Coastal redwood Critically Endangered ( CR ): faces an extremely high risk of extinction in the immediate future.
The term endangered has also been used in other contexts with similar meaning but slightly different definitions. A proposal of classification of Endangered Ecosystems of the United States considered the category endangered for ecosystems evidencing 85–98% decline. [20]
Endangered species; Critically endangered species; Less-than-threatened categories are near threatened, least concern, and the no longer assigned category of conservation dependent. Species that have not been evaluated (NE), or do not have sufficient data (data deficient) also are not considered "threatened" by the IUCN.