维基百科

File:Status iucn2.3.svg

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Afrikaans | অসমীয়া | asturianu | български | भोजपुरी | বাংলা | català | čeština | Cymraeg | dansk | Deutsch | Ελληνικά | español | eesti | euskara | suomi | français | galego | עברית | हिन्दी | magyar | íslenska | italiano | 日本語 | ភាសាខ្មែរ | 한국어 | kurdî | Latina | lietuvių | македонски | Bahasa Melayu | မြန်မာဘာသာ | Napulitano | norsk bokmål | norsk | polski | português | română | русский | slovenčina | slovenščina | anarâškielâ | Tagalog | vèneto | ไทย | українська | 中文 | 中文（繁體）‎ | +/− Graphic diagram for the IUCN Red List categories.

International Union for Conservation of Nature (IUCN, temporarily named World Conservation Union 1990-2008) Red List categories

File:Status iucn3.1 EX.svgFile:Status iucn3.1 EX.svgFile:Status iucn3.1 EW.svgFile:Status iucn3.1 CR.svgFile:Status iucn3.1 EN.svgFile:Status iucn3.1 VU.svgFile:Status iucn3.1 NT.svgFile:Status iucn3.1 EN.svgFile:Status iucn3.1 LC.svgFile:Status iucn3.1 LC.svg
Lower risk categories
2001 Categories & Criteria
(version 3.1) 		Description 1994 Categories & Criteria
(version 2.3)
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.
Near Threatened (NT or LR/nt), is close to qualifying for or is likely to qualify for a threatened category in the near future.
No longer a Red List category Conservation Dependent (LR/cd), the focus of a continuing taxon-specific or habitat-specific conservation program 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.
Threatened categories
2001 Categories & Criteria
(version 3.1) 		Description 1994 Categories & Criteria
(version 2.3)
Vulnerable (VU), considered to be facing a high risk of extinction in the wild
Endangered (EN), considered to be facing a very high risk of extinction in the wild.
Critically Endangered (CR), facing an extremely high risk of extinction in the wild.
Other categories
2001 Categories & Criteria
(version 3.1) 		Description 1994 Categories & Criteria
(version 2.3)
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.
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.
Possibly Extinct (PE), a category given by BirdLife International. A subcategory of CR.
Possibly Extinct in the Wild (PEW), A term used within the IUCN Red List. A subcategory of CR.
Image:Status iucn3.1 PLC.svg Possibly Least Concern (PLC), Used for a term within the IUCN Yellow List. A subcategory of NT. Image:Status iucn2.3 PLC.svg
Extinct (EX), there is no reasonable doubt that the last individual has died.

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