Aves > Passeriformes > Locustellidae > Helopsaltes > Helopsaltes ochotensis > Locustella ochotensis ochotensis

subspecies: Locustella ochotensis ochotensis (Middendorff's Grasshopper-Warbler, )

Annotation: Subspecies not recognized by del Hoyo et al. (1992) and Howard and Moore (2003).