Version 2014.2 of the

IUCN Red List of Threatened Species The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological spe ...

identified 4574

critically endangered 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. As of December 2023, of t ...

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

varieties Variety may refer to: Arts and entertainment Entertainment formats * Variety (radio) * Variety show, in theater and television Films * ''Variety'' (1925 film), a German silent film directed by Ewald Andre Dupont * ''Variety'' (1935 film), ...

, stocks, and subpopulations. For IUCN lists of critically endangered species by kingdom, see: *Animals (kingdom

Animalia Animals are multicellular, eukaryotic organisms in the Biology, biological Kingdom (biology), kingdom Animalia (). With few exceptions, animals heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, ...

) — IUCN Red List critically endangered species (Animalia) **Amphibians — List of critically endangered amphibians **Birds — List of critically endangered birds **Fish —

List of critically endangered fishes As of July 2017, the International Union for Conservation of Nature (IUCN) listed 1,000 critically endangered fish species, including 87 which are tagged as possibly extinct. Of all evaluated fish species, 3.0% are listed as critically endanger ...

**Invertebrates —

List of critically endangered invertebrates As of July 2016, the International Union for Conservation of Nature (IUCN) listed 987 critically endangered invertebrate species, including 206 which are tagged as possibly extinct. Of all evaluated invertebrate species, 5.5% are listed as crit ...

***Arthropods — List of critically endangered arthropods ****Insects — List of critically endangered insects ***Molluscs

List of critically endangered molluscs As of September 2016, the International Union for Conservation of Nature (IUCN) listed 581 critically endangered mollusc species, including 117 which are tagged as possibly extinct. Of all evaluated mollusc species, 8.0% are listed as criticall ...

**Mammals — List of critically endangered mammals **Reptiles —

List of critically endangered reptiles As of September 2016, the International Union for Conservation of Nature (IUCN) lists 195 critically endangered Reptilia, reptile species, including 17 which are tagged as ''possibly extinct''. 3.8% of all evaluated reptile species are listed a ...

*Fungi (kingdom

Fungi A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

) —

List of fungi by conservation status , the International Union for Conservation of Nature (IUCN) has evaluated the conservation status of 280 fungus A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such ...

*Plants (kingdom

Plantae Plants are the eukaryotes that form the kingdom Plantae; they are predominantly photosynthetic. This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with cyanobacteria to produce sugars fro ...

) —

List of critically endangered plants As of December 2023, the International Union for Conservation of Nature (IUCN) lists 5702 plant species categorized as Critically Endangered, including 569 which are tagged as ''possibly extinct'' and 48 ''possibly extinct in the wild''. 8.6% o ...

*Protists (kingdom

Protista A protist ( ) or protoctist is any Eukaryote, eukaryotic organism that is not an animal, Embryophyte, land plant, or fungus. Protists do not form a Clade, natural group, or clade, but are a Paraphyly, paraphyletic grouping of all descendants o ...

) —

List of Chromista by conservation status , the International Union for Conservation of Nature (IUCN) has evaluated the conservation status of 15 species within Chromista. The IUCN has not evaluated any protist species other than those in Phaeophyceae. No Chromista subspecies or subpopul ...

References

* IUCN 2014.

. Version 2014.2. Source of the above list
online IUCN Red List
Retrieved 30 August 2014. {{DEFAULTSORT:Red List critically endangered species

See also

References