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Learn how the IUCN Red List classifies species at high risk of global extinction into nine categories, from Not Evaluated to Extinct. Find out the latest news, facts and actions to protect biodiversity.
- IUCN Red List of Threatened Species
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- Background & History
The IUCN Red List is a critical indicator of the health of...
- Assessment Process
The IUCN Red List of Threatened Species™ is essentially a...
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Established in 1964, the IUCN Red List of Threatened Species...
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The IUCN Red List of Threatened Species™ is a critical...
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Established in 1964, the IUCN Red List of Threatened Species...
- IUCN Red List of Threatened Species
Learn how to classify species at high risk of global extinction using the IUCN Red List system. This publication explains the assessment system, criteria and documentation requirements for 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 species.
The IUCN Red List classifies species into nine categories based on their extinction risk, from Extinct to Not Evaluated. It also measures the recovery of species' populations and their conservation success with eight Green Status categories.
The IUCN Red List Categories and Criteria have several specific aims: to provide a system that can be applied consistently by different people; to improve objectivity by providing users with clear guidance on how to evaluate
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Learn how the IUCN Red List system classifies species according to their extinction risk using explicit and objective criteria. This publication provides the latest version of the system, updated in 2012, and explains its application and rationale.
Learn how the IUCN classifies species at high risk of global extinction using a system of threatened species categories and criteria. This publication explains the latest version of the classification system adopted in 2001 and its applications.
