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Graphic diagram for the IUCN Red List categories.

World Conservation Union (IUCN) Red List categories

Lower risk categories
2001 Categories & Criteria
(version 3.1)
Description 1994 Categories & Criteria
(version 2.3)
Image:Status iucn3.1 LC.svg Least Concern (LC or LR/lc), lowest risk. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category. Image:Status iucn2.3 LC.svg
Image:Status iucn3.1 NT.svg Near Threatened (NT or LR/nt), is close to qualifying for or is likely to qualify for a threatened category in the near future. Image:Status iucn2.3 NT.svg
No longer a Red List category Conservation Dependent (LR/cd), the focus of a continuing taxon-specific or habitat-specific conservation programme targeted towards the taxon in question, the cessation of which would result in the taxon qualifying for one of the threatened categories below within a period of five years. Image:Status iucn2.3 CD.svg
Threatened categories
2001 Categories & Criteria
(version 3.1)
Description 1994 Categories & Criteria
(version 2.3)
Image:Status iucn3.1 VU.svg Vulnerable (VU), considered to be facing a high risk of extinction in the wild Image:Status iucn2.3 VU.svg
Image:Status iucn3.1 EN.svg Endangered (EN), considered to be facing a very high risk of extinction in the wild. Image:Status iucn2.3 EN.svg
Image:Status iucn3.1 CR.svg Critically Endangered (CR), facing an extremely high risk of extinction in the wild. Image:Status iucn2.3 CR.svg
Other categories
2001 Categories & Criteria
(version 3.1)
Description 1994 Categories & Criteria
(version 2.3)
Image:Status iucn3.1 EW.svg Extinct in the Wild (EW), known only to survive in cultivation, in captivity or as a naturalized population (or populations) well outside the past range. Image:Status iucn2.3 EW.svg
Data Deficient (DD), inadequate information to make a direct, or indirect, assessment of its risk of extinction.
Not Evaluated (NE), not yet been evaluated against the criteria.
Image:Status iucn3.1 PE.svg Possibly Extinct (PE), a category given by BirdLife International. A subcategory of CR. Image:Status iucn2.3 PE.svg
Image:Status iucn3.1 PEW.svg Possibly Extinct in the Wild (PEW), A term used within the IUCN Red List. A subcategory of CR. Image:Status iucn2.3 PEW.svg
Image:Status iucn3.1 EX.svg Extinct (EX), there is no reasonable doubt that the last individual has died. Image:Status iucn2.3 EX.svg

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Graphic credit: Peter Halasz. (User:Pengo)

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