Sunda Warbler Phylloscopus grammiceps Scientific name definitions

Taxonomic note: Lump. This account is a combination of multiple species accounts originally published in HBW Alive. That content has been combined and labeled here at the subspecies level. Moving forward we will create a more unified account for this parent taxon. Please consider contributing your expertise to update this account.

Sunda Warbler (Javan)

10 cm; c. 5 g. Sprightly little warbler with chestnut, grey and white plumage. Adult has crown, supercilium and ear-coverts rufous-chestnut, black lateral crownstripe extending to nape; upperparts grey, washed olive, becoming whitish on rump; wings washed olive, two yellow bars formed by tips of median and greater wing-coverts ; tail feathers dark brown, fringed olive-green; throat and rest of underparts white, with some chestnut and a little grey on sides of breast; iris reddish brown, bold whitish eyering; bill black above, orange-yellow below; legs orange. Differs from P. castaniceps and P. montis in having wholly whitish underparts, no yellow in plumage. Sexes alike. Juvenile undescribed.

Sunda Warbler (Sumatran)

10 cm. Fast-moving little warbler with chestnut, grey and white plumage. Adult has crown, supercilium, ear-coverts, moustachial region and side of neck rufous-chestnut, black lateral crownstripe extending to nape; upperparts, including rump and uppertail-coverts, mid-grey; wings olive-green, yellow tips of median and greater wing-coverts forming two bars; tail feathers dark brown-grey, fringed olive-green; throat and underparts white, with some chestnut and a little grey on sides of breast; iris deep reddish brown, bold whitish eyering; bill black above, orange-yellow below; legs orange. Sexes alike. Juvenile has duller head colour, with mantle admixed green and less obvious wingbars.

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Sunda Warbler (Javan)

Previously placed in Seicercus; see Phylloscopidae. Hitherto treated as conspecific with P. sumatrensis (which see); both are considered conspecific with P. montis by some authors (1 Eaton, J. A., B. van Balen, N. W. Brickle, and F. E. Rheindt (2016). Birds of the Indonesian Archipelago: Greater Sundas and Wallacea. Lynx Edicions, Barcelona, Spain. Close ). Monotypic.

Sunda Warbler (Sumatran)

Sunda Warbler (Javan)

Mountains of Java and Bali.

Sunda Warbler (Sumatran)

Mountains of Sumatra.

Sunda Warbler (Javan)

Sunda Warbler (Sumatran)

Sunda Warbler (Javan)

Sunda Warbler (Sumatran)

Sunda Warbler (Javan)

Insects and other small invertebrates. Actively forages in understorey and lower canopy at forest edge; gleans food items. Associates with roaming mixed-species flocks outside breeding season.

Sunda Warbler (Sumatran)

Sunda Warbler (Javan)

Song  described as high-pitched ringing “chee-chee-chechee”, with same quality as songs of P. castaniceps and P. montis; call a buzzing “turrr”.

Sunda Warbler (Sumatran)

Song  a series of very high-pitched delicate notes, “we si’si’si’si’see” (duration c. 1 second). Call a very short nasal note.

Sunda Warbler (Javan)

Sunda Warbler (Sumatran)

Sunda Warbler (Javan)

Not globally threatened (Least Concern). Restricted-range species: present in Java and Bali Forests EBA. Locally common to fairly common in hill forest on Java and Bali. Population size not yet assessed, but thought to be stable. No significant threats identified.

Sunda Warbler (Sumatran)

Not globally threatened (Least Concern). Restricted-range species: present in Sumatra and Peninsular Malaysia EBA. Locally common on Sumatra on Mt Talamau, Mt Tujuh and Mt Kerinci.