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''Grus'' is a genus of large birds in the crane family. ==Species== * Siberian crane, ''Grus leucogeranus'' * Sandhill crane, ''Grus canadensis'' * * Lesser sandhill crane or little brown crane, ''Grus (canadensis) canadensis'' * * Greater sandhill crane, ''Grus (canadensis) pratensis'' * White-naped crane, ''Grus vipio'' * Sarus crane, ''Grus antigone'' * Brolga, ''Grus rubicunda'' * Red-crowned crane, ''Grus japonensis'' * Whooping crane, ''Grus americana'' * Common crane, ''Grus grus'' * Hooded crane, ''Grus monacha'' * Black-necked crane, ''Grus nigricollis'' Birdlife International and IUCN place the Siberian crane in monospecific Leucogeranus and place Grus vipio, Grus antigone, Grus canadensis and Grus rubicunda in genus Antigone and both are basal to the rest of genus Grus. The Cuban flightless crane, ''Grus cubensis'', became extinct in the Quaternary, but probably before human settlement of Cuba. 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「Grus (genus)」の詳細全文を読む スポンサード リンク
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