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Of 47,677 assessed species, 17,291 are threatened with extinction, according to the latest update of the Red List of Threatened Species issued by the International Union for Conservation of Nature (IUCN) on 3 November. The list indicates that amphibians are the most threatened group of species known to date, with 1895 (nearly 30%) of 6285 amphibians in danger of extinction. Thirty-nine are already extinct or extinct in the wild, 484 are critically endangered, 754 are endangered, and 657 are vulnerable, according to IUCN.