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Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of December 2021, the International Union for Conservation of Nature (IUCN) lists 673 critically endangered amphibian species, including 146 which are tagged as possibly extinct. [1] [2] 9.2% of all evaluated amphibian species are listed as critically ...
The International Union for Conservation of Nature (IUCN) lists 35 extinct species, 146 possibly extinct species, two extinct in the wild species, and one possibly extinct in the wild species of amphibians. [1] [2]
El Hierro grayling (Hipparchia bacchus) La Palma grayling (Hipparchia tilosi) Electra's tree-nymph (Idea electra) Bedford-Russell's tree-nymph (Idea tambusisiana) Ideopsis oberthurii; New Ireland yellow tiger (Parantica clinias) D'Abrera's tiger (Parantica dabrerai) Dannatt's tiger (Parantica dannatti) Angled tiger (Parantica garamantis)
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]
Galápagos tortoise (Chelonoidis spp.) (4 of 15 known species extinct) Réunion giant tortoise (Cylindraspis indica) Saddle-backed Mauritius giant tortoise (Cylindraspis inepta) Domed Rodrigues giant tortoise (Cylindraspis peltastes) Domed Mauritius giant tortoise (Cylindraspis triserrata) Saddle-backed Rodrigues giant tortoise (Cylindraspis ...
El Pepino tree frog (Hyloscirtus torrenticola) Los Bracitos tree frog (Hypsiboas heilprini) Cape Melville tree frog (Litoria andiirrmalin) Green and golden bell frog (Litoria aurea) Beck's tree frog (Litoria becki) Davies' tree frog (Litoria daviesae) Freycinet's frog (Litoria freycineti) Faro Island tree frog (Litoria lutea)
Known from subfossil remains. Possibly extinct by introduced predators like feral dogs, cats, pigs, and black rats. [26] Darwin's Galápagos mouse: Nesoryzomys darwini: Santa Cruz, Galápagos Islands Last recorded in 1930. Extinct due to competition, pathogens transmitted by, or predation by black rats, house mice, brown rats, and feral cats. [27]
87 possibly extinct [CR(PE)] 0 possibly extinct in the wild [CR ... There are 64 extinct species, 85 possibly extinct species, and six extinct in the wild species of ...