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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 Olive-backed forest robin ： ウィキペディア英語版 Olive-backed forest robin The olive-backed forest robin (''Stiphrornis erythrothorax pyrrholaemus'') is a subspecies of the forest robin found in the Gamba Complex in southwest Gabon. It was described in 2008. The olive-backed forest robin can be separated from other subspecies of the forest robin by the combination of its olive upperparts, bright orange throat and chest, and cream-yellow belly. Its song is also distinct from other subspecies of the forest robin. Females are generally duller than males.〔 It has not been evaluated by IUCN, but has been described as locally common.〔 Though this subspecies was described recently, a juvenile appears to have been collected on 11 November 1953 in Tchibanga, Gabon. The specimen is deposited in the Muséum national d'Histoire naturelle in Paris. Its identity was confirmed by comparison of the DNA sequences.〔 ==Taxonomy== All taxa within the genus ''Stiphrornis'' were considered part of a single species, ''S. erythrothorax'', until 1999, when it was argued, based on the phylogenetic species concept, that all then-recognized taxa should be considered monotypic species.〔Beresford, P. & Cracraft, J. (1999). ''Speciation in African forest robins (Stiphrornis): species limits, phylogenetic relationships, and molecular biogeography.'' American Museum Novitates 3270: 1–22. (PDF available. )〕 The split was not followed in Handbook of the Birds of the World, where it was described as ''"perhaps premature"''.〔Collar, N. (2005). Forest Robin (Stiphrornis erythrothorax). Pp. 730–731 in: del Hoyo, J., Elliott, A., & Christie, D. eds. (2005). ''Handbook of the Birds of the World.'' Vol. 10. Cuckoo-shrikes to Thrushes. Lynx Edicions, Barcelona. ISBN 84-87334-72-5〕 Comparably, the BirdLife Taxonomic Working Group (and consequently IUCN) recommended not following the split, as differences in plumages are relatively small, genetic sampling was considered incomplete, and evidence for intergradation or parapatry is lacking.〔 Database entry includes justification for why this species is least concern.〕 Based on mtDNA, ''S. pyrrholaemus'' is placed within ''S. erythrothorax sensu lato'', and consequently is considered a species (rather than a subspecies of ''S. erythrothorax'') only if at least some of the taxonomy recommended in 1999 is followed.〔 The genetic divergence between ''S. pyrrholaemus'' and other members of the genus is comparable to that between some other closely related species.〔 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「Olive-backed forest robin」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.