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''Ixobrychus'' is a genus of bitterns, a group of wading bird in the heron family Ardeidae. It has a single representative species in each of North America, South America, Eurasia and Australasia. The tropical species are largely resident, but the two northern species are partially migratory, with many birds moving south to warmer areas in winter. The ''Ixobrychus'' bitterns are all small species, their four larger relatives being in the genus ''Botaurus''. They breed in large reedbeds, and can often be difficult to observe except for occasional flight views due to their secretive behaviour. Like other bitterns, they eat fish, frogs, and similar aquatic life. ==Species== *Little bittern, ''Ixobrychus minutus'' *Black-backed bittern, ''Ixobrychus dubius'' *New Zealand bittern, ''Ixobrychus novaezelandiae'' (extinct) *Cinnamon bittern, ''Ixobrychus cinnamomeus'' *Stripe-backed bittern, ''Ixobrychus involucris'' *Least bittern, ''Ixobrychus exilis '' *Yellow bittern, '' Ixobrychus sinensis'' *Von Schrenck's bittern, ''Ixobrychus eurhythmus '' *Dwarf bittern, ''Ixobrychus sturmii'' *Black bittern, ''Ixobrychus flavicollis'' 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「Ixobrychus」の詳細全文を読む スポンサード リンク
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