Hitherto treated as conspecific with E. spodocephala, despite several recent indications of genetic distinctiveness#R#R#R. Differs, however, in its yellow vs olive-grey submoustachial stripe, throat and breast (3); brighter yellow belly to vent (1); heavier streaking on flanks (1); greener-grey on crown (ns); longer bill (effect size 3.83, score 2); and voice reportedly (in HBW) similar but distinguishable (at least 1). Monotypic.
S Sakhalin, Kuril Is and Japan (Hokkaido S to C Honshu); winters from N Honshu S through Shikoku and Kyushu to Ryukyu Is and Izu Is.
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!