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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)
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Description
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1994 Categories & Criteria (version 2.3)
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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.
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Near Threatened (NT or LR/nt), is close to qualifying for or is likely to qualify for a threatened category in the near future.
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No longer a Red List category
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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.
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Threatened categories
2001 Categories & Criteria (version 3.1)
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Description
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1994 Categories & Criteria (version 2.3)
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Vulnerable (VU), considered to be facing a high risk of extinction in the wild
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Endangered (EN), considered to be facing a very high risk of extinction in the wild.
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Critically Endangered (CR), facing an extremely high risk of extinction in the wild.
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Other categories
2001 Categories & Criteria (version 3.1)
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Description
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1994 Categories & Criteria (version 2.3)
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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.
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Data Deficient (DD), inadequate information to make a direct, or indirect, assessment of its risk of extinction.
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Not Evaluated (NE), not yet been evaluated against the criteria.
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Possibly Extinct (PE), a category given by BirdLife International. A subcategory of CR.
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Possibly Extinct in the Wild (PEW), A term used within the IUCN Red List. A subcategory of CR.
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Extinct (EX), there is no reasonable doubt that the last individual has died.
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See also
- IUCN Red List
- Conservation status
Licensing
Graphic credit: Peter Halasz. (User:Pengo)
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