Old World Warblers (Sylviidae) - HBW 11

Pallas's Leaf-warbler (Phylloscopus proregulus)

French: Pouillot de Pallas German: Goldhähnchen-Laubsänger Spanish: Mosquitero de Pallas
Other common names: Pallas’s Warbler, Lemon-rumped/Pale-rumped/Yellow-rumped Warbler

Taxonomy: Motacilla Proregulus Pallas, 1811, Ingoda River, southern Transbaikalia, Russia.
Formerly treated as conspecific with P. chloronotus, and implicitly including also P. kansuensis and P. yunnanensis. Recent studies, however, indicate that all are vocally distinct, and that they further differ genetically. Monotypic.

Distribution: Breeds in SC & SE Siberia, from Altai Mts E to N Sea of Okhotsk, S to N Mongolia, NE China (N Heilongjiang, E Jilin) and Sakhalin I, possibly also N Korea; non-breeding SE China, N Thailand and N Indochina.