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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.
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 ...
Habitat modification or destruction is one of the most dramatic issues affecting amphibian species worldwide. As amphibians generally need aquatic and terrestrial habitats to survive, threats to either habitat can affect populations. Hence, amphibians may be more vulnerable to habitat modification than organisms that only require one habitat type.
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 California tiger salamander (Ambystoma californiense) is a vulnerable amphibian native to California. It is a mole salamander . Previously considered to be a subspecies of the tiger salamander ( A. tigrinum) , the California tiger salamander was recently designated a separate species again. [ 4 ]
An endangered species is a species of organisms, either flora or fauna, which face a very high risk of extinction in a proximate time frame, much sooner than the long-term horizon in which species typically persist. There are many species of birds, mammals, reptiles, amphibians and plants that live in the Mediterranean California chaparral and ...
The mountain yellow-legged frog (Rana muscosa), also known as the southern mountain yellow-legged frog, is a species of true frog endemic to California in the United States. [ 1 ] [ 2 ] It occurs in the San Jacinto Mountains , San Bernardino Mountains , and San Gabriel Mountains in Southern California and the Southern Sierra Nevada .
The San Francisco garter snake, a subspecies of the common garter snake, is found in scattered wetland areas on the San Francisco Peninsula from approximately the northern boundary of San Mateo County south along the eastern and western bases of the Santa Cruz Mountains, at least to the Upper Crystal Springs Reservoir, and along the Pacific coast south to Año Nuevo Point, and thence to ...