Family Leaf-warblers (Phylloscopidae)

Least Concern

Buff-throated Warbler (Phylloscopus subaffinis)


French: Pouillot subaffin German: Blasskehl-Laubsänger Spanish: Mosquitero gorjiclaro

Phylloscopus subaffinis


, 1900,

Pu-an-ting, south-west Guizhou, China


In past, often treated as conspecific with P. affinis, but differs in morphology, voice and habitat; molecular study#R indicates not closely related. Form “arcanus”, based on three specimens from W Nepal (in Jan and Apr) and described as race of present species, is a synonym of Horornis flavolivaceus (which see). Monotypic.


C, S & SE China (SE Qinghai E to S Shaanxi, Jiangxi and Fujian, S to N & E Yunnan, S Guangxi and N & E Guangdong) and N Vietnam (W Tonkin); non-breeding S China (S Yunnan E to Zhejiang), N & E Myanmar, NW Thailand, N Laos and N Vietnam (E Tonkin).

Descriptive notes

10·5–11 cm; 6·25–7·5 g. Small to medium-sized leaf-warbler lacking any prominent features. Has yellowish-buff supercilium (often diffuse in... read more


Song a series of soft notes, “tuee-tuee-tuee-tuee-tuee”, similar to that of P.... read more


Breeds in montane forest and also below tree-line on open hillsides with scrub, between 1800 m and... read more

Food and feeding

No information.


May–Jul. Nest a small dome with side entrance, placed in low vegetation; clutch 4 eggs. No other information.


Altitudinal migrant; post- breeding descent to lower elevations. Vagrant in NE India (Meghalaya). read more

Status and conservation

Not globally threatened. Uncommon in Chinese breeding range; uncommon to fairly common in SE Asian wintering area.

Recommended citation

Clement, P. (2019). Buff-throated Warbler (Phylloscopus subaffinis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 25 June 2019).