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  2. The world's 100 most threatened species - Wikipedia

    en.wikipedia.org/wiki/The_world's_100_most...

    Silky sifaka (Propithecus candidus), fewer than 1,000 still alive. The World's 100 most threatened species[1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission ...

  3. IUCN Red List - Wikipedia

    en.wikipedia.org/wiki/IUCN_Red_List

    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] A series of Regional Red Lists, which assess the risk of extinction to species within a ...

  4. Conservation status - Wikipedia

    en.wikipedia.org/wiki/Conservation_status

    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

  5. International Union for Conservation of Nature - Wikipedia

    en.wikipedia.org/wiki/International_Union_for...

    The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. [ 3 ] Founded in 1948, IUCN has become the global authority on the status of the natural world and the measures needed to safeguard it.

  6. Endangered species - Wikipedia

    en.wikipedia.org/wiki/Endangered_species

    An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, invasive species, and climate change. [1]

  7. The World's 25 Most Endangered Primates - Wikipedia

    en.wikipedia.org/wiki/The_World's_25_Most...

    The World's 25 Most Endangered Primates. The silky sifaka (Propithecus candidus), found only in Madagascar, has been on The World's 25 Most Endangered Primates list since its inception in 2000. Between 100 and 1,000 individuals are left in the wild. The World's 25 Most Endangered Primates is a list of highly endangered primate species selected ...

  8. IUCN Red List of Ecosystems - Wikipedia

    en.wikipedia.org/wiki/IUCN_Red_List_of_Ecosystems

    The IUCN Red List of Ecosystems (RLE) is a global framework for monitoring and documenting the status of ecosystems. It was developed by the International Union for Conservation of Nature for biodiversity risk assessment. Its main objectives are to support conservation, resource use, and management decisions by evaluating all the world's ...

  9. Bengal florican - Wikipedia

    en.wikipedia.org/wiki/Bengal_florican

    The Bengal florican (Houbaropsis bengalensis), also called the Bengal bustard, is a bustard species native to the Indian subcontinent, Cambodia, and Vietnam. It is listed as Critically Endangered on the IUCN Red List because fewer than 1,000 individuals were estimated to be alive as of 2017. [1] It is the only member of the genus Houbaropsis.