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It is unknown how this salamander's lineage arrived to the area, and how it became extinct. They may have arrived by a land bridge, or they may have ridden debris to the island. It is possible that their extinction was caused by climate change or by extensive predation. It is most likely a stem-group to the plethodontid tribe Bolitoglossini.
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.
Habitat loss, disease and climate change are thought to be responsible for the drastic decline in populations in recent years. [12] Declines have been particularly intense in the western United States, Central America, South America, eastern Australia and Fiji (although cases of amphibian extinctions have appeared worldwide). While human ...
Molecular studies of extant amphibians based on multiple-locus data favor one or the other of the monophyletic alternatives and indicate a Late Carboniferous date for the divergence of the lineage leading to caecilians from the one leading to frogs and salamanders, and an early Permian date for the separation of the frog and salamander groups.
Like most woodland salamanders, the Shenandoah salamander eats mites, flies, small beetles, springtails, and other soil invertebrates. [9] No direct observation of predation of the Shenandoah salamander has ever been reported, but potential predators residing within the habitat of the Shenandoah salamander include ring-necked snakes, short-tailed shrews, brown thrashers, and towhees. [10]
A skin-eating fungus is now a severe threat to salamander populations in Europe, according to a new study. Batrachochytrium salamandrivorans, or Bs, is deadly to almost all salamanders but appears ...
The giant salamander was identified using DNA by staff at the Zoological Society of London and the Natural History Museum. Newly discovered giant salamander is ‘world’s largest amphibian ...
The reticulated flatwoods salamander (Ambystoma bishopi) is a species of mole salamander, an amphibian in the family Ambystomatidae. [2] The species is native to a small portion of the southeastern coastal plain of the United States in the western panhandle of Florida and extreme southwestern Georgia .