Sometimes placed in genus Ketupa, and has been thought closely related to, or even conspecific with, K. zeylonensis; skeletal details, however, especially skull morphology, appear identical to those of Bubo (e.g. B. bubo) and different from osteology of Ketupa. Proposed race piscivorus (NE China W of Great Khingan Mts) included in doerriesi, and karafutonis (Sakhalin) in nominate. Two subspecies recognized.
Food and feeding
Status and conservation
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!