Old World Warblers (Sylviidae)

Grey-sided Bush-warbler (Cettia brunnifrons) - HBW 11, p. 595

French: Bouscarle à couronne brune German: Rotkopf-Buschsänger Spanish: Cetia Capirotado

Taxonomy: Prinia brunnifrons Hodgson, 1845, Nepal.
Race whistleri intergrades with nominate in N India (Uttaranchal Pradesh); variation throughout range possibly clinal, and species sometimes treated as monotypic. Birds from NE India described as race muroides, considered inseparable from umbratica. Three subspecies recognized.

Subspecies and Distribution:

  • whistleri (Ticehurst, 1923) - NW Himalayas from N Pakistan (Kaghan Valley) and Kashmir E to N India (Uttaranchal Pradesh).
  • brunnifrons (Hodgson, 1845) - Himalayas from N India (Uttaranchal Pradesh) E to Bhutan and S China (SE Xizang).
  • umbratica (Stuart Baker, 1924) - NE India (Arunachal Pradesh), S China (SE Tibet, W Sichuan, NW Yunnan) and N Myanmar.