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A species is declared extinct after exhaustive surveys of all potential habitats eliminate all reasonable doubt that the last individual of a species, whether in the wild or in captivity, has died. [15] Recently extinct species are defined by the IUCN as becoming extinct after 1500 CE. [1]
As of 2022, the International Union for Conservation of Nature (IUCN) listed 40 animal species as extinct in the wild. [1] That is approximately 0.04% of all evaluated animal species. The IUCN also lists five animal subspecies as extinct in the wild. This is a complete list of wild animal species and subspecies listed as extinct by the IUCN.
List of Saint Helena, Ascension and Tristan da Cunha animals extinct in the Holocene. List of Asian animals extinct in the Holocene. List of European species extinct in the Holocene. List of extinct animals of the British Isles. List of North American animals extinct in the Holocene. List of Antillian and Bermudan animals extinct in the Holocene.
Salmoniformes. Extinct species. Longjaw cisco (Coregonus alpenae) Coregonus bezola. Coregonus fera. Coregonus gutturosus. Gravenche (Coregonus hiemalis) Deepwater cisco (Coregonus johannae)
Tennessee, Cumberland, Ohio, and Wabash River systems [189] Extinct in 1936 due to loss of habitat through impoundment or channelization. [8] Sampson's pearly mussel. Epioblasma sampsonii. Kentucky, Illinois, and Indiana [190] Extinct in the 1930s or 1940s due to habitat destruction and fragmentation.
Ainsworth's salamander (Plethodon ainsworthi) Jalpa false brook salamander (Pseudoeurycea exspectata) Possibly extinct species. Admirable false brook salamander (Aquiloeurycea praecellens) Bolitoglossa nussbaumi. Tlapacoyan salamander (Chiropterotriton casasi) Oedipina petiola.
Rodrigues giant day gecko (Phelsuma gigas) Tonga ground skink (Tachygyia microlepis) Eastwood's long-tailed seps (Tetradactylus eastwoodae) Possibly extinct species. Culebra Island giant anole (Anolis roosevelti) Lesser Saint Croix skink (Capitellum parvicruzae) San Cristobal galliwasp (Celestus anelpistus)
As of February 2021, the International Union for Conservation of Nature (IUCN) lists 299 extinct species, 149 possibly extinct species, 14 extinct in the wild species, two possibly extinct in the wild species, eight extinct subspecies, one possibly extinct subspecies, and five extinct in the wild subspecies of mollusc.