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The red-cheeked cordon-bleu or red-cheeked cordonbleu (''Uraeginthus bengalus'') is a small passerine bird. This estrildid finch is a resident breeding bird in drier regions of tropical sub-Saharan Africa. Red-cheeked cordon-bleu has an estimated global extent of occurrence of 7,700,000 km². ==Systematics== When he first described the red-cheeked cordon-bleu in his 1766 edition of Systema Naturae, Carl Linnaeus assigned it to the genus ''Fringilla''.〔Clement, Harris & Davis, p. 362.〕 It was later moved to the genus ''Uraeginthus'', along with the rest of the cordon-bleus and the grenadiers.〔Clement, Harris & Davis, p. 361.〕 The red-cheeked cordon-bleu, the blue-capped cordon-bleu, and the blue waxbill—form a species group within the genus. Further, the red-cheeked cordon-bleu may form a superspecies with the blue waxbill, with which it shares similar habitats. There are five subspecies, which differ primarily in the amount of blue on the face and underparts of the females.〔 *''U. b. bengalus'' (Linnaeus, 1766) *''U. b. brunneigularis'' Mearns, 1911 *''U. b. katangae'' Vincent, 1934〔(Red-cheeked Cordonbleu (katangae) (''Uraeginthus bengalus katangae'') Vincent, 1934 ), Avibase〕 *''U. b. littoralis'' Someren, 1922 *''U. b. ugogoensis'' Reichenow, 1911 On 15 February 2013, the American Ornithologists' Union marked this species in their database as a taxonomic synonym to the ''incertae sedis'' family containing the bananaquit.〔(【引用サイトリンク】title=Species: ''Uraeginthus bengalus'' (Red-cheeked Cordonbleu, Cordonbleu à joues rouges) )〕 No explanation was given, and it would seem this may have been a mistake. 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「Red-cheeked cordon-bleu」の詳細全文を読む スポンサード リンク
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