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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 ...
www.iucnredlist.org. 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 ...
Brown spider monkey, a critically endangered mammal. Siamese crocodile, a critically endangered reptile. American burying beetle, an endangered species of insect. Kemp's ridley sea turtle, a critically endangered reptile. The Mexican wolf, the most endangered subspecies of the North American grey wolf.
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 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 ...
For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of extinction". An even higher risk is faced by critically endangered species, which meet the quantitative criteria for endangered species. Critically endangered mammals are listed ...
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