Aves > Passeriformes > Phylloscopidae > Phylloscopus > Phylloscopus proregulus > Phylloscopus proregulus proregulus

subspecies: Phylloscopus proregulus proregulus (Pallas's Leaf-Warbler, )

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