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This list is of Red Lists, Red Data Books, and related initiatives that assess and document the extinction risk of species, whether on an international or more local level (regional Red Lists). The IUCN has published a set of Guidelines for Application of the IUCN Red List Criteria at Regional and National Levels and at least 113 countries have ...
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. [1]
The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta
The basis of the IUCN Red List of Ecosystems are the IUCN Red List of Ecosystems Categories and Criteria, a set of eight categories and five criteria that provide a consistent method for assessing an ecosystem's risk of collapse. They are designed to be: broadly applicable across type ecosystems and geographic areas, transparent and ...
Version 2014.2 of the IUCN Red List of Threatened Species identified 4574 critically endangered species, subspecies, varieties, stocks, and subpopulations. For IUCN lists of critically endangered species by kingdom, see: Animals (kingdom Animalia) — IUCN Red List critically endangered species (Animalia)
IUCN Red List extinct in the wild species; Lists of IUCN Red List critically endangered species; Lists of IUCN Red List data deficient species; Lists of IUCN Red List endangered species; Lists of IUCN Red List least concern species; Lists of IUCN Red List near threatened species; Lists of IUCN Red List vulnerable species
For IUCN lists of near threatened species by kingdom, see: Animals (kingdom Animalia) — IUCN Red List near threatened species (Animalia) Amphibians — List of near threatened amphibians; Birds — List of near threatened birds; Fish — List of near threatened fishes; Invertebrates — List of near threatened invertebrates
This is a complete list of conservation dependent species and subspecies evaluated by the IUCN. Species and subspecies which have conservation dependent subpopulations are also indicated. However, as updated versions of the IUCN Red List are released, this list will need to be updated to match the most current version.