Sunda Warbler (Phylloscopus grammiceps) [XC215405]
by Mike Nelson from Gede Pangrango National Park, West Java Province, Java, Indonesia (song)
Sunda Warbler (Phylloscopus grammiceps) [XC431517]
by Brendan Sloan from Sumatra, Gunung Kerinci, Indonesia (call)
Subspecies
Forms a superspecies with Chestnut-crowned Warbler (Phylloscopus castaniceps) and Yellow-breasted Warbler (Phylloscopus montis), although overlaps in range with both to limited extent.
The following 2 subspecies are recognised:
sumatrensis (Robinson & Kloss, 1916) - Sumatra. Considered by some authors to be a distinct species, Sumatran Warbler (Phylloscopus sumatrensis).