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The list below largely follows Darrel Frost's Amphibian Species of the World (ASW), Version 5.5 (31 January 2011). Another classification, which largely follows Frost, but deviates from it in part is the one of AmphibiaWeb , which is run by the California Academy of Sciences and several of universities.
The amphibians of western North America: an account of the species known to inhabit California, Alaska, British Columbia, Washington, Oregon, Idaho, Utah, Nevada, Arizona, Sonora, and Lower California. California Academy of Sciences. Stebbins, Robert C. (1954). Amphibians and Reptiles of Western North America. New York: McGraw-Hill Book Company.
This is a list of amphibians found in the United States. A total of 306 amphibian species have been recorded in the United States , [ 1 ] 2 of which are now extinct. [ 2 ] This list is derived from the database listing of Amphibian Species of the World .
This is a checklist of amphibians found in Northern America, based mainly on publications by the Society for the Study of Amphibians and Reptiles. [ 1 ] [ 2 ] [ 3 ] The information about range and status of almost all of these species can be found also for example in the IUCN Red List of Threatened Species site. [ 4 ]
Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... Lists of amphibians by region are lists of amphibians in a given continent, ...
As of September 2021, the International Union for Conservation of Nature (IUCN) lists 3160 least concern amphibian species. [1] 38% of all evaluated amphibian species are listed as least concern. No subpopulations of amphibians have been evaluated by the IUCN. This is a complete list of least concern amphibian species as evaluated by the IUCN.
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 ...
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.