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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]
As of January 2022, the International Union for Conservation of Nature (IUCN) lists 1193 data deficient amphibian species. [1] 16% of all evaluated amphibian species are listed as data deficient.
206 possibly extinct [CR(PE)] 0 possibly extinct in the wild [CR ... Mexipyrgus de west el Mojarral snail ... La Palma grayling ...
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 ...
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 ...
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 ...
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)