Search results
IUCN Red List of Threatened Species. 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.
IUCN Red List of Threatened Species. Summary Statistics. The numbers of species listed in each Red List Category change each time The IUCN Red List is updated. For each Red List update, IUCN provides summaries of the numbers of species in each category, by taxonomic group and by country.
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.
Apr 1, 2024 · IUCN Red List of Threatened Species, one of the most well-known objective assessment systems for classifying the status of plants, animals, and other organisms threatened with extinction. The International Union for Conservation of Nature (IUCN) unveiled this assessment system in 1994.
The IUCN Red List of Threatened Species™ is essentially a checklist of taxa that have undergone an extinction risk assessment using the IUCN Red List Categories and Criteria. The majority of assessments appearing on The IUCN Red List are carried out by members of the IUCN Species Survival Commission (SSC), appointed Red List Authorities (RLAs ...
IUCN Red List of Threatened Species. Guidelines & Brochures — Global. 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.
Mar 29, 2024 · Red List assessments are constantly being compiled and submitted for publication on the IUCN Red List of Threatened Species™, and the underlying database is constantly expanding and changing as new species are brought in and existing species undergo taxonomic revisions.
