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Phrynobatrachus pakenhami : ウィキペディア英語版 | Phrynobatrachus pakenhami
''Phrynobatrachus pakenhami'' is a frog species in the true frog subfamily Petropedetinae. This is sometimes treated as an independent family Petropedetidae, in which case the genus ''Phrynobatrachus'' is occasionally placed in a distinct family Phrynobatrachidae. Despite the uncertainties surrounding its systematics, the taxonomy of ''P. pakenhami'' remains unchanged since this species was first described〔Loveridge (1941)〕 almost 70 years ago. This small frog is endemic to Pemba Island off Tanzania. Its natural habitats are subtropical or tropical moist lowland forests, swamps, freshwater marshes, intermittent freshwater marshes, and heavily degraded former forest. It is threatened by habitat loss and may have already disappeared outside the Ngezi Forest Reserve.〔Pakenham (1983), Pickersgill & Howell (2008)〕 ''P. pakenhami'' is sometimes considered to be the same species as ''P. acridoides''; though very similar in appearance, they differ in habitat preference and mating calls (suggesting well-established reproductive isolation). On the other hand, the recently described supposed diminutive species ''P. nigripes'' was simply based on juveniles of ''P. pakenhami''.〔Pickersgill (2008), Pickersgill & Howell (2008)〕 ==Footnotes==
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