Aves > Passeriformes > Locustellidae > Helopsaltes > Helopsaltes ochotensis > Helopsaltes ochotensis subcerthiola

subspecies: Helopsaltes ochotensis subcerthiola (Middendorff's Grasshopper Warbler)

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