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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 ...
According to the International Union for Conservation of Nature (IUCN), 93 reptile and amphibian species in the United States are threatened with extinction. [1] The IUCN has classified each of these species into one of three conservation statuses: vulnerable VU, endangered EN, and critically endangered CR.
Endangered (EN) species are considered to be facing a very high risk of extinction in the wild. As of September 2021, the International Union for Conservation of Nature (IUCN) lists 1085 endangered amphibian species. [1] Of all evaluated amphibian species, 14% are listed as endangered. No subpopulations of amphibians have been evaluated by the ...
The report was published by the Zoological Society of London in 2012 as the book, Priceless or Worthless? [3] While all the species on the list are threatened with extinction, the scientists who chose them had another criterion: all the species have no obvious benefit for humans and therefore humans have no vested interests trying to save them.
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.
The list includes information on 157,000 species, about 7,000 more than last year's update. The IUCN said just over 44,000 species are threatened with extinction. That's roughly 2,000 more than ...
A Checklist of North American Amphibians and Reptiles: The United States and Canada. Vol. 1 - Amphibians. Xlibris Corporation LLC. ISBN 978-1-4931-7035-7. [self-published source] Cope, Edward D. (1875). Check-list of North American Batrachia and Reptilia; with a systematic list of the higher groups, and an essay on geographical distribution.
More than 30 endangered froglets have been born at London Zoo after a dramatic 7,000-mile rescue mission saw their parents extracted from their fungus-threatened native habitat.