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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Nycticebus borneanus ： ウィキペディア英語版 Nycticebus borneanus ''Nycticebus borneanus'' is a strepsirrhine primate and a species of slow loris that is native to central south Borneo in Indonesia. Formerly considered a subspecies or synonym of the Bornean slow loris (''N. menagensis''), it was promoted to full species status in 2013 when a study of museum specimens and photographs identified distinct facial markings, which helped to differentiate it as a separate species. It is distinguished by its dark, contrasting facial features, as well as the shape and width of the stripes of its facial markings. As with other slow lorises, this arboreal and nocturnal species primarily eats insects, tree gum, nectar, and fruit and has a toxic bite, a unique feature among primates. Although not yet evaluated by the International Union for Conservation of Nature (IUCN), it is likely to be listed as "Vulnerable" or placed in a higher-risk category when its conservation status is assessed. It is primarily threatened by habitat loss and the illegal wildlife trade. ==Taxonomy and phylogeny== ''N. borneanus'' is a strepsirrhine primate, and species of slow loris (genus ''Nycticebus'') within the family Lorisidae. Museum specimens of this animal had previously been identified as the Bornean slow loris (''Nycticebus menagensis''), first described by the English naturalist Richard Lydekker in 1893 as ''Lemur menagensis''. In 1906, Marcus Ward Lyon, Jr. first described ''N. borneanus'' from western Borneo. By 1953, all of the slow lorises were lumped together into a single species, the Sunda slow loris (''Nycticebus coucang''). In 1971, that view was updated by distinguishing the pygmy slow loris (''N. pygmaeus'') as a species, and by further recognizing four subspecies, including ''N. coucang menagensis'', the Bornean slow loris. From then until 2005, ''N. borneanus'' was considered a synonym of the Bornean slow loris, which was elevated to the species level (as ''N. menagensis'') in 2006, when molecular analysis showed it to be genetically distinct from ''N. coucang''. A 2013 review of museum specimens and photographs attributed to ''N. menagensis'' resulted in elevating two of its former subspecies to the species ''N. bancanus'' and ''N. borneanus''. Additionally, ''N. kayan'' emerged as a new species, which had previously been overlooked. All newly recognized or elevated species showed significant differences in their "face mask"—the coloration patterns on their face. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nycticebus borneanus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.