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Black-tailed tityra : ウィキペディア英語版 | Black-tailed tityra
The black-tailed tityra (''Tityra cayana'') is a medium-sized passerine bird of tropical South America. The tityras have been placed in the cotinga or the tyrant flycatcher families (Cotingidae and Tyrannidae) by various authors. But the weight of evidence strongly suggest they and their closest relatives are better separated as Tityridae; the AOU for example advocates this separation.〔Mobley (2004), SACC (2007)〕 ==Description== This is a short-tailed robust bird with a long hook-tipped bill; like other tityras it has a peculiar vestigial ninth primary feather. The adult black-tailed tityra is about long and weighs about . The male is dull white above and white below. The rectrices, the primary and secondary remiges and a cap extending to below the eyes are black; the tertiary remiges are silvery grey. Females have dark brown rather than black on wings and tail and some brown pattern on head, back and underside. In both sexes there is a patch of rosy-red bare skin around the eye, extending to the bill which is red-based with a black tip. The iris and feet are dark. The juvenile plumage is unknown.〔Mobley (2004)〕
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