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Rana sauteri : ウィキペディア英語版 | Rana sauteri
''Rana sauteri'' is a species of frog in the genus ''Rana'' endemic to Taiwan. It inhabits low-altitude hill forests and the associated streams. It is an endangered species threatened by habitat loss due to agriculture and infrastructure development. Common names recorded for ''Rana sauteri'' include "Kanshirei Village Frog", "Taiwan Groove-toed Frog", "Sauter's Brown Frog", and "Taiwan Pseudotorrent Frog". ==Taxonomy== ''Rana sauteri'' was first described in 1909 by George Albert Boulenger on the basis of specimens collected on Taiwan by one H. Sauter. Boulenger noted resemblances to ''Rana japonica'' and ''Rana mortenseni'' (now ''Hylarana mortenseni'') and thought the species bridged part of the gap between ''Hylorana'' (now spelled ''Hylarana'') and the ''Rana temporaria'' group of species. In 1920, however, Boulenger placed the species in the subgenus ''Hylorana'' of the genus ''Rana''. In 1991, Fei and colleagues placed it in a new genus ''Pseudorana'' together with ''Rana sangzhiensis'' and ''Rana weiningensis'', and in 2000 they even placed it in a genus of its own, ''Pseudoamolops'', because they thought it was more closely related to ''Amolops'' frogs than to other species of ''Pseudorana''. However, molecular data place ''Rana sauteri'' well within the genus ''Rana'', particularly the ''Rana temporaria'' group, and in 2006 Frost and colleagues therefore placed ''Pseudoamolops sauteri'' back in ''Rana''. In 1921, Smith described ''Rana sauteri'' var. ''johnsi'' as a variety of ''Rana sauteri'' from Vietnam. This form, which also occurs in Guangxi (southern China), Laos, Cambodia, and Thailand, has been recognized as a separate species, ''Rana johnsi'' (previously ''Pseudorana johnsi'') since 1999. In addition, high-altitude populations of ''Rana sauteri'' were recognized as a separate species, ''Rana multidenticulata'', in 1997.
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