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) |
 |
málo dotčený (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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téměř ohrožený (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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| kategorie se již nepoužívá |
závislý na ochraně (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) |
Description |
1994 Categories & Criteria
(version 2.3) |
 |
zranitelný (VU), considered to be facing a high risk of extinction in the wild |
 |
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ohrožený (EN), considered to be facing a very high risk of extinction in the wild. |
 |
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kriticky ohrožený (CR), facing an extremely high risk of extinction in the wild. |
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Other categories
2001 Categories & Criteria
(version 3.1) |
Description |
1994 Categories & Criteria
(version 2.3) |
 |
vyhynulý v přírodě (EW), known only to survive in cultivation, in captivity or as a naturalized population (or populations) well outside the past range. |
 |
|
chybí údaje (DD), inadequate information to make a direct, or indirect, assessment of its risk of extinction. |
|
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nevyhodnocený (Not Evaluated, NE), not yet been evaluated against the criteria. |
|
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pravděpodobně vymřelý (Possibly Extinct, PE), a category given by BirdLife International. A subcategory of CR. |
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pravděpodobně vymřelý v přírodě (Possibly Extinct in the Wild, PEW), A term used within the IUCN Red List. A subcategory of CR. |
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vyhynulý (EX), there is no reasonable doubt that the last individual has died. |
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Graphic credit: Peter Halasz. (User:Pengo), translated by Michal Maňas (snek01) & (Brodo)
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50 |
100 |
250 |
500).