| image = Erithacus komadori - National Museum of Nature and Science, Tokyo - DSC07033.JPG
| image caption = ''Erithacus komadori'', exhibited in the [[National Museum of Nature and Science]], [[Tokyo]], [[Japan]].
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The '''Ryukyu Robinrobin''' (''Erithacus komadori'') is a bird [[Endemism in birds|endemic]] to the [[Ryūkyū Islands]], of [[Japan]].<ref>{{cite book|editors=Collar, N. J.; Andreev, A. V.; Chan, S.; Crosby, M. J.; Subramanya, S.; and Tobias, J. A. |year=2001|contribution= Ryukyu Robin|title=Threatened Birds of Asia: The BirdLife International Red Data Book|publisher=BirdLife International|isbn= 0-946888-44-2|url=http://www.rdb.or.id/detailbird.php?id=704|archiveurl=http://web.archive.org/web/20070224194324/http://www.rdb.or.id/detailbird.php?id=704|archivedate=24 February 2007}}</ref> It is sometimes placed in the genus ''[[Luscinia]]'', but recent research suggests that the East Asian robins belong into a new genus uniting them with some East Asian ''Luscinia''s such as the [[Siberian Blueblue Robinrobin]].<ref>{{cite journal|last=Seki|first=Shin-Ichi |year=2006|title=The origin of the East Asian ''Erithacus'' robin, ''Erithacus komadori'', inferred from cytochrome ''b'' sequence data|journal=Molecular Phylogenetics and Evolution|volume=39|issue=3|pages=899–905|doi=10.1016/j.ympev.2006.01.028|pmid=16529957}}</ref>
The [[specific name (zoology)|specific name]] ''komadori'' is, somewhat confusingly, the common name of its relative the [[Japanese Robinrobin]] in [[Japanese language|Japanese]].