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17 possibly extinct [CR(PE)] 0 possibly extinct in the wild [CR(PEW)] As of September 2016, the International Union for Conservation of Nature (IUCN) lists 24 ...
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]
113 possibly extinct [CR(PE)] 0 possibly extinct in the wild [CR(PEW)] As of September 2021, the International Union ... El Centro caecilian (Microcaecilia pricei)
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 ...
Critical (Possibly Extinct) CR (PE), a semi-official category introduced by BirdLife International and likely to be adopted by other authorities including the IUCN in the near future. The weight of evidence points against the continuing existence of the taxon, but final surveys are still pending.
206 possibly extinct [CR(PE)] 0 possibly extinct in the wild [CR(PEW)] As of July 2016, the International Union for Conservation of Nature (IUCN) lists 5278 ...
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 ...
0 possibly extinct [CR(PE)] 0 possibly extinct in the wild [CR(PEW)] Vulnerable (VU) species are considered to be facing a high risk of extinction in the wild. ...