List of critically endangered species
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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, 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 **Invertebrates — List of critically endangered invertebrates ***Arthropods — List of critically endangered arthropods ****Insects — List of critically endangered insects ***Molluscs List of critically endangered molluscs **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 *Plants (kingdom Plantae) — List of critically endangered plants *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


See also

* :IUCN Red List critically endangered species * Lists of IUCN Red List endangered species * Lists of IUCN Red List vulnerable species * Lists of IUCN Red List near threatened species


References

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