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Stejneger's stonechat ''Saxicola stejnegeri'' is a species of stonechat native to eastern Asia. It breeds in central and eastern Siberia, Japan, Korea, northeastern China, and eastern Mongolia, and migrates south to southern China and Indochina in winter.〔Urquhart, E., & Bowley, A. (2002): ''Stonechats. A Guide to the Genus Saxicola''. Christopher Helm, London. ISBN 0-7136-6024-4〕 It is a small bird 11.5–13 cm long, very closely similar to the Siberian stonechat in both plumage and behaviour, differing in only small details, notably having a slightly broader-based bill 4.7–5.7 mm wide (4.0–4.9 mm wide in Siberian stonechat) and slightly less white on the rump.〔Svensson, L. (1992). ''Identification Guide to European Passerines''. British Trust for Ornithology, Thetford. ISBN 91-630-1118-2.〕 Vagrants have been reported west to Great Britain,〔Robertson, I. S. (1977). Identification and European status of eastern Stonechats. ''British Birds'' 70: 237-245.〕 east to Alaska,〔 and south to Borneo.〔 ==Taxonomy== Stejneger's stonechat was generally considered a subspecies of either common stonechat (as ''Saxicola torquatus stejnegeri''〔) or Siberian stonechat (as ''Saxicola maurus stejnegeri'',〔), but recent genetic evidence has shown that it is distinct, in a basal position in the common stonechat superspecies;〔Zink, R.M., Pavlova, A., Drovetski, S. V., Wink, M., & Rohwer, S. (2009). Taxonomic status and evolutionary history of the Saxicola torquata complex. ''Molecular Phylogeny and Evolution'' 52: 769-773. (Abstract. )〕 on which basis it is now accepted as a distinct species.〔IOC World Bird List (Family Muscicapidae )〕 The common name and Latin binomial commemorate the Norwegian ornithologist Leonhard Hess Stejneger. 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「Stejneger's stonechat」の詳細全文を読む スポンサード リンク
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