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List of critically endangered amphibians information


2 extinct in the wild amphibian species (0.03%)545 critically endangered amphibian species (8.4%)848 endangered amphibian species (13%)670 vulnerable amphibian species (10%)402 near threatened amphibian species (6.2%)2458 least concern amphibian species (38%)1567 data deficient amphibian species (24%)
  •   Extinct in the wild (EW): 2 species
  •   Critically endangered (CR): 545 species
  •   Endangered (EN): 848 species
  •   Vulnerable (VU): 670 species
  •   Near threatened (NT): 402 species
  •   Least concern (LC): 2,458 species
  •   Data deficient (DD): 1,567 species
Amphibian species (IUCN, 2016-2)
  • 6492 extant species have been evaluated
  • 4925 of those are fully assessed[a]
  • 2860 are not threatened at present[b]
  • 2063 to 3630 are threatened[c]
  • 35 to 148 are extinct or extinct in the wild:
    • 33 extinct (EX) species[d]
    • 2 extinct in the wild (EW)
    • 113 possibly extinct [CR(PE)]
    • 0 possibly extinct in the wild [CR(PEW)]
  1. ^ excludes data deficient evaluations.
  2. ^ NT and LC.
  3. ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. ^ Chart omits extinct (EX) species
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 endangered. No subpopulations of amphibians have been evaluated by the IUCN.

Additionally, 1193 amphibian species (16.4% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN.[3] While the category of data deficient indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed."[4]

This is a complete list of critically endangered amphibian species evaluated by the IUCN. Species considered possibly extinct by the IUCN are marked as such.

  1. ^ "IUCN Red List version 2021-3". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 16 December 2021.
  2. ^ "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2021-3)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 16 December 2021.
  3. ^ "Limitations of the Data". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 11 January 2016.
  4. ^ "2001 Categories & Criteria (version 3.1)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 11 January 2016.

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