Family Leaf-warblers (Phylloscopidae)

Least Concern

Pallas's Leaf-warbler (Phylloscopus proregulus)


French: Pouillot de Pallas German: Goldhähnchen-Laubsänger Spanish: Mosquitero de Pallas

Motacilla Proregulus


, 1811,

Ingoda River, southern Transbaikalia, Russia


Formerly treated as conspecific with P. chloronotus, and implicitly also including P. kansuensis, P. forresti and P. yunnanensis; studies indicate that all are vocally and genetically distinct. Monotypic.


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

Descriptive notes

9–10 cm; 4·5–7·5 g. A small, short-tailed and extremely active warbler with well-marked plumage. Has well-defined pale median crownstripe, equally... read more


Song, from concealed perch within canopy of tall tree, a loud ramble of varied clear whistles and... read more


Breeds in the taiga coniferous forest, including fir (Abies), spruce (Picea),... read more

Food and feeding

Insects, notably flies (Diptera), aphids (Aphidoidea) and small moths (Lepidoptera), also spiders (Araneae), also their eggs, larvae and... read more


Main season Jun–Jul, nests with eggs found between mid-Jun and late Jul; one brood, in S part of range possibly two. Nest built by... read more


Migratory. In autumn, leaves N parts of breeding range from late Aug–Sept, and most have gone... read more

Status and conservation

Not globally threatened. Common to locally abundant. Common and widespread in Russia and NE China; estimated breeding densities of up to 58 birds/km² in C Siberia and 35... read more

Recommended citation

Alström, P., Clement, P. & Kirwan, G.M. (2019). Pallas's Leaf-warbler (Phylloscopus proregulus). 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 8 December 2019).