Sunda Bush Warbler (Horornis vulcanius) [XC842313]
by id from Pasirjambu, Bandung Regency, West Java, Indonesia (alarm call)
Sunda Bush Warbler (Horornis) [XC36296]
by Sander Pieterse from Mount Kinabalu, Sabah, Borneo, Malaysia (song)
Subspecies
May form a superspecies with Brownish-flanked Bush-Warbler (Horornis fortipes) and has been considered conspecific, but differs in vocalizations. Originally described as "Sylvia montana", and long known by this species name, but the name is not applicable, because preoccupied.
The following 8 subspecies are recognised:
sepiaria (Blyth, 1870) - Mountains of northern Sumatra.
flaviventris (Salvadori, 1879) - Central and southern Sumatra.
palawana Ripley and Rabor, 1962 - Southern Palawan (Mt Mantalingajan), in south-western Philippines.
banksi (Chasen, 1935) - North-western Borneo.
oreophila Sharpe, 1888 - Mt Kinabalu, in northern Borneo.
vulcania (Blyth, 1870) - Java, Bali, Lombok and Sumbawa.
kolichisi (Johnstone, RE & Darnell, JC, 1997) - Alor.