About


The IUCN Red List of Threatened Species

 

The IUCN Red List of Threatened Species is considered to be the world’s most authoritative and comprehensive repository of information pertaining to the conservation status of the world’s species. The Red List uses standardised, quantitative Categories and Criteria – developed and refined over several decades – to assess the risk of extinction of the planet’s biodiversity based on information relating to the distribution, population status, ecology and natural history of, threats to, and conservation actions in place for each species in the database.

 

The Red List’s goal is to provide this data to inform and catalyse action for biodiversity conservation, both at the level of identifying individual threatened species and by acting as a global database for comprehensive multispecies analyses. Since 2001, in support of several key targets of the intergovernmental Convention on Biological Diversity (including the recently-adopted Aichi Targets), the Red List has been expanded to include full taxonomic coverage of several key taxonomic groups selected for their value as indicators of biodiversity health and of natural capital on which humans depend. More details can be found here.

 

About this website

 

This website acts as a hub for the various ongoing global assessments and reassessments. The major part of the site consists of links to a series of species assessment forums, and is supported by sections devoted to explaining the Red List assessment process and links to tools for training interested parties in the Categories and Criteria.

 

The assessment forums themselves, developed by iNaturalist in collaboration with IUCN Specialist Groups, are devoted to particular taxonomic groups in select regions targeted either for reassessment (for taxa with older, completed Red List assessments) or for assessment (for the ongoing global assessment programs). The forum process is explained in more detail here, and involves inviting specialists in the particular group of animals or plants to be assessed to comment on pre-prepared species accounts and distribution maps, and to identify the appropriate Red List category for each species. At present, this website supports the ongoing Global Reptile Assessment and the reassessment of the world’s amphibian species, and coverage is planned to support mammal reassessments.

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