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Currently, there are more than 157,100 species on The IUCN Red List, with more than 44,000 species threatened with extinction, including 41% of amphibians, 37% of sharks and rays, 36% of reef building corals, 34% of conifers, 26% of mammals and 12% of birds.
Red List Index The Red List Index (RLI) shows trends in overall extinction risk for species, and is used by governments to track their progress towards targets for reducing biodiversity loss. Most species that move between categories on The IUCN Red List (see the section Reasons for Changing Category ) do so because of improved knowledge or ...
For each Red List update, IUCN provides summaries of the numbers of species in each category, by taxonomic group and by country. To view and download the Summary Statistics Tables, click here . The number of species listed in each IUCN Red List Category changes over time because:
Apr 1, 2024 · By 2022, 150,388 species had been assessed by using the IUCN Red List categories and criteria. Of these, more than 42,100 species of plants, animals, and others fall into the threatened categories (CR, EN, and VU). Today the list appears as an online database available to the public.
IUCN Red List Categories and Criteria. The IUCN Red List Categories and Criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction.
Oct 4, 2008 · The IUCN Red List - a key conservation tool. What is The IUCN Red List of Threatened Species? What information is included for each species? How is The IUCN Red List compiled?
Explore and discover Red List species ranges and observations
