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hillstar
The hillstars are hummingbirds of the genus ''Oreotrochilus''. They are native to the Andes in South America.
The white-tailed hillstar (''Urochroa bougueri'') is not closely related.
==Description==
The birds are approximately in length with fairly long, slightly decurved black bills. They are sexually dimorphic. The male usually has an iridescent green throat, or bluish-purple in the Ecuadorian hillstar, with dull greenish upperparts and pale flanks. The central underparts are usually black, but are brown in the Andean hillstar. The tail is usually dark with a contrasting white pattern; the pattern is cinnamon in the wedge-tailed hillstar, and the tail is entirely dark in the black-breasted hillstar. The female is duller, with a whitish throat densely spotted with green, white, buff, or cinnamon underparts, and a dark tail with a white pattern.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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