Island Leaf Warbler (Phylloscopus poliocephalus) [XC195392]
by Frank Lambert from Jalan Logging Besar, East Morotai, Morotai Island, North Maluku, Indonesia (song)
Island Leaf Warbler (Phylloscopus poliocephalus) [XC828352]
by Jan-Uwe Schmidt from Mt. Balbi, Autonomous Region of Bougainville, Papua New Guinea (song)
Subspecies
Relationships uncertain. Recent DNA studies suggest possible sister relationship to Kolombangara Leaf-Warbler (Phylloscopus amoenus). Previously thought to form a superspecies with
Sulawesi Leaf-Warbler (Phylloscopus sarasinorum), Timor Leaf-Warbler (Phylloscopus presbytes), Mountain Warbler (Phylloscopus trivirgatus) and San Cristobal Leaf-Warbler (Phylloscopus makirensis), but this is not supported by findings from recent molecular-genetic studies. Birds discovered on Taliabu (Sula Is), in Sept 1991, may represent a hitherto undescribed subspecies. Detailed review required.
Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
The following 19 subspecies are recognised:
henrietta Stresemann, 1931 - Northern Moluccas (Halmahera, Ternate). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
waterstradti (E. J. O. Hartert, 1903) - Northern Moluccas (Bacan, Obi). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
everetti (E. J. O. Hartert, 1899) - Southern Moluccas (Buru, above 700 m). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
ceramensis (Ogilvie-Grant, 1910) - Southern Moluccas (Seram, Ambon). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
poliocephalus (Salvadori, 1876) - North-western New Guinea (Tamrau Mts, Arfak Mts, Wandammen Mts). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
avicola E. J. O. Hartert, 1924 - Kai Is (Kai Besar). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
maforensis (A. B. Meyer, 1874) - Numfoor I, in Geelvink Bay (north-western New Guinea). Considered by some authors to be a distinct species, Numfor Leaf-Warbler (Phylloscopus maforensis).
misoriensis Meise, 1931 - Biak I, in Geelvink Bay. Considered by some authors to be a distinct species, Biak Leaf-Warbler (Phylloscopus misoriensis).
albigularis E. J. O. Hartert and Paludan, 1936 - West-central New Guinea (Weyland Mts). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
paniaiae Junge, 1952 - West-central New Guinea (Wissel Lakes region). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
cyclopum E. J. O. Hartert, 1930 - Northern New Guinea (Cyclops Mts). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
giulianettii (Salvadori, 1896) - Central and south-eastern New Guinea (eastern from Snow Mts). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
matthiae Rothschild and E. J. O. Hartert, 1924 - St Matthias Group (Mussau I), in Bismarck Archipelago. Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
leletensis Salomonsen, 1965 - New Ireland, in Bismarck Archipelago. Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
moorhousei Gilliard and LeCroy, 1967 - New Britain and Umboi, in Bismarck Archipelago. Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
hamlini Mayr and Rand, 1935 - Goodenough I, in D'Entrecasteaux Archipelago (off south-eastern New Guinea). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
bougainvillei Mayr, 1935 - Bougainville I. Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
pallescens Mayr, 1935 - Kolombangara I, in western Solomon Is. Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
becki E. J. O. Hartert, 1929 - Eastern Solomon Is (Santa Isabel, Guadalcanal, Malaita). Considered by some authors to be a subspecies of Numfor Leaf-Warbler (Phylloscopus maforensis).
BirdLife International Species Factsheet