Family Leaf-warblers (Phylloscopidae)

Least Concern

Japanese Leaf-warbler (Phylloscopus xanthodryas)


French: Pouillot de Swinhoe German: Japanlaubsänger Spanish: Mosquitero japonés

Phyllopneuste xanthodryas


, 1863,

Xiamen, China


Until recently considered conspecific with P. borealis and P. examinandus; differs from latter in characters given under that species. Differs from former in its clearly distinct song, with longer duration of smallest repetitive phrase (3); fewer repeated phrases per strophe (3); higher number of elements in smallest repeated phrase (ns[3]); also lower-pitched call note (ns[at least 1]); longer wing (at least 1); brighter green upperparts (1); brighter yellow underparts (1). Monotypic.

What do (1) and (2) mean? Learn more about the scoring system.

Japan (Honshu to Kyushu); non-breeding presumably in Taiwan, Philippines, Borneo, Java and locally E to Moluccas#R.

Descriptive notes

c. 12–13 cm; 9·8–13 g. Relatively large leaf-warbler with sloping forehead and long primary projection, strong broad-based bill, and conspicuous yellowish-white supercilium... read more


Song “tree’diret-tree’diret-tree’diret…” or “tschiritschiritschiri..”, 1.5–2 seconds in duration,... read more


Breeds in deciduous and mixed forests, also in coniferous forests and thickets, at 1500–2500 m but... read more

Food and feeding

Food consists mostly of small insects and their larvae, ranging from tiny midges (Chironomidae) and ants (Formicidae) to grasshoppers (... read more


Season from mid or late Jun to Aug; regularly double-brooded. Mainly monogamous, but polygyny recorded rarely. Territorial; male... read more


Migratory. Post-breeding movement S or SSW through islands and E China, spending non-breeding... read more

Status and conservation

Not globally threatened (Least Concern). Locally common. Density of male territories estimated to be 103·3/km². No estimates of breeding numbers are available, but this... read more

Recommended citation

del Hoyo, J., Collar, N. & Christie, D.A. (2020). Japanese Leaf-warbler (Phylloscopus xanthodryas). 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 27 January 2020).