The IUCN Red List: Guiding Conservation for 50 years
IUCN Red List 2011
IUCN Red List of Ecosystems explained
IUCN Red List of Threatened Species™: November 2018 Update
IUCN Red List of Threatened Species™: December 2017 Update
The IUCN Red List of Threatened Species, founded in 1964, has evolved to become the world's most comprehensive inventory of the global conservation status of biological species. It uses a set of criteria to evaluate the extinction risk of thousands of species and subspecies. These criteria are relevant to all species and all regions of the world. With its strong scientific base, the IUCN Red List is recognized as the most authoritative guide to the status of biological diversity. A series of Regional Red Lists are produced by countries or organizations, which assess the risk of extinction to species within a political management unit.
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