Phylloscopus proregulus forresti
pine forests, Lijiang Range, northern Yunnan; altitude 9000–11,000 feet [c. 2740–3350 m].
Until recently considered conspecific with P. chloronotus (itself formerly treated as conspecific with P. proregulus), but differs genetically#R and in its darker, less brownish colour above (1); more sulphur-yellow rump (1); black vs pale base of lower mandible (1); song, with a wider frequency range (2) and slower delivery (2) in both types; and call being an unvarying “tsuist” vs a shorter “psit” (ns)#R. Monotypic.
SC China (E Xizang E to S Shaanxi, S to Yunnan and W Sichuan) and perhaps W & N Myanmar#R; non-breeding from SE Xizang and S Sichuan S to E Myanmar, NW Thailand and N Vietnam.
Food and feeding
Status and conservation
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