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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 (IUCN SSC), along with the Zoological Society of London . [ 2 ]
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 ...
Rare species. A rare species is a group of organisms that are very uncommon, scarce, or infrequently encountered. This designation may be applied to either a plant or animal taxon, and is distinct from the term endangered or threatened. Designation of a rare species may be made by an official body, such as a national government, state, or province.
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 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 ...
The Pinta Island tortoise was originally described in 1877 by German-born British herpetologist Albert Günther, who named it Testudo abingdonii in his book The Gigantic Land-tortoises (Living and Extinct) in the Collection of the British Museum. [5][11] The name abingdonii derives from Abingdon Island, now more commonly known as Pinta Island.
Genus: Dendrolagus. Species: D. mayri. Binomial name. Dendrolagus mayri. Rothschild & Dollman, 1933 [2] The Wondiwoi tree-kangaroo (Dendrolagus mayri) is a critically endangered, bear-like mammal native to tropical mountain forests on the island of New Guinea in Western Papua. Elusive and rare, it was considered extinct until rediscovery in 2018.
Endangered (EN) species are considered to be facing a very high risk of extinction the wild. In September 2016, the International Union for Conservation of Nature (IUCN) listed 382 endangered reptile species. [1]