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Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of January 2020, the International Union for Conservation of Nature (IUCN) listed 203 critically endangered mammalian species, including 31 which are tagged as possibly extinct. [1] [2] Of all evaluated mammalian species, 3.5% are listed as critically ...
In July 2016, the International Union for Conservation of Nature (IUCN) listed 1080 vulnerable arthropod species. [1] Of all evaluated arthropod species, 11% are listed as vulnerable. The IUCN also lists 29 arthropod subspecies as vulnerable. No subpopulations of arthropods have been evaluated by the IUCN.
All species listed here as extinct (no known individuals remaining) are designated by the International Union for Conservation of Nature (IUCN). Species which are extinct in the wild only reside in captivity. Species listed as possibly extinct are classified as being critically endangered, as it is unknown whether or not these species are ...
Despite the world's last captive thylacine dying in 1936, the secretive animal wasn't declared extinct until 1986. More recently in 2007 the Baiji dolphin , a rare river dolphin native to China ...
In July 2016, the International Union for Conservation of Nature (IUCN) listed 616 endangered arthropod species. [1] Of all evaluated arthropod, 6.5% species are listed as endangered. The IUCN also lists 27 arthropod subspecies as endangered. No subpopulations of arthropods have been evaluated by the IUCN.
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 81 extinct species, 86 possibly extinct species, and two extinct in the wild species of arthropod. [ 1 ] [ 2 ] Centipedes
Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of July 2016, the International Union for Conservation of Nature (IUCN) listed 394 critically endangered arthropod species, including 86 which are tagged as possibly extinct. [1] [2] 4.1% of all evaluated arthropod species are listed as critically ...
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 24 extinct species, 17 possibly extinct species, and two extinct in the wild species of reptile. [ 1 ] [ 2 ] Turtles and tortoises