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Here we report the findings of the second Global Amphibian Assessment, evaluating 8,011 species for the International Union for Conservation of Nature Red List of Threatened Species. We find that amphibians are the most threatened vertebrate class (40.7% of species are globally threatened).
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 ...
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.
The world’s frogs, salamanders, newts and other amphibians remain in serious trouble. A new global assessment has found that 41% of amphibian species that scientists have studied are threatened ...
[2] J. Whitfield Gibbons observes that the book holds a wide-ranging appeal, serving as "an essential resource for amateur and professional herpetologists" while also offering valuable insights for individuals intrigued by the histories and biology of exotic amphibians and reptiles. He notes that the book could prove invaluable to land managers ...
Amphibian Species of the World 6.2: An Online Reference (ASW) is a herpetology database. It lists the names of frogs, salamanders and other amphibians , which scientists first described each species and what year, and the animal's known range.
On January 21, 2008, Evolutionarily Distinct and Globally Endangered (EDGE) identified nature's most "weird, wonderful and endangered species", stating that "the EDGE amphibians are amongst the most remarkable and unusual species on the planet and yet an alarming 85% of the top 100 are receiving little or no conservation attention."
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