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The genus ''Spizella'' (Bonaparte, 1832) is a group of American sparrows in the family ''Emberizidae''. These birds are fairly small and slim, with short bills, round heads and long wings. They are usually found in semi-open areas. Outside of the nesting season they often forage in small mixed flocks. American tree sparrow was formerly a member of this group, but is now placed in its monotypic genus ''Spizelloides''. The full list of species is: * Chipping sparrow, ''Spizella passerina'' * Clay-colored sparrow, ''Spizella pallida'' * Brewer's sparrow, ''Spizella breweri'' * * Timberline sparrow, ''Spizella breweri taverneri'' * Field sparrow, ''Spizella pusilla'' * Worthen's sparrow, ''Spizella wortheni'' * Black-chinned sparrow, ''Spizella atrogularis'' 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「Spizella」の詳細全文を読む スポンサード リンク
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