IUCN Red List of Threatened Species

The IUCN Red List of Threatened Species™ is the world's most comprehensive inventory of the global conservation status of plant and animal 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.

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Search for species on The IUCN Red List: www.iucnredlist.org

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Latest press releases

  • Guam Rail Photo: Photo by Josh More (CC BY-NC-ND 2.0)

    Species recoveries bring hope amidst the biodiversity crisis - IUCN Red List

    10.12.2019

    Gland, Switzerland, 10 December 2019 (IUCN) – Conservation efforts have led to improvements in the status of ten species, according to today’s update of The IUCN Red List of Threatened SpeciesTM. This includes the recovery of the Guam Rail, a bird previously listed as Extinct in the Wild.

  • Horse Chestnut tree (Aesculus hippocastanum), assessed as Vulnerable Photo: Pixabay

    Over half of Europe’s endemic trees face extinction

    27.09.2019

    Gland, Switzerland, 27 September 2019 (IUCN) – Over half (58%) of Europe’s endemic trees are threatened with extinction, according to assessments of the state of the continent’s biodiversity published today by the International Union for Conservation of Nature (IUCN). The introduction of invasive species, unsustainable logging and urban development are key threats causing the decline of tree species such as the horse-chestnut across Europe.

  • Roloway monkey Photo: © Russell A. Mittermeier

    Unsustainable fishing and hunting for bushmeat driving iconic species to extinction – IUCN Red List

    18.07.2019

    Gland, Switzerland, 18 July 2019 (IUCN) – Overfishing has pushed two families of rays to the brink of extinction, while hunting for bushmeat and habitat loss have led to the decline of seven primate species, according to the latest update of The IUCN Red List of Threatened Species. 

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