Yellow-bellied Bulbul (Alophoixus phaeocephalus) [XC314787]
by Sander Lagerveld from Trail to Krung Ching Waterfall, Khao Luang National Park, Thailand (song)
Yellow-bellied Bulbul (Alophoixus phaeocephalus) [XC57443]
by Peter Boesman from Borneo Rainforest Lodge, Danum Valley, Sabah, Borneo, Malaysia (song)
Subspecies
Putative subspecies (caniceps, rufocaudatus, cantori) merged with nominate. Subspecies medius (described from Long Petah, in eastern Borneo) considered indistinguishable from sulphuratus.
The following 4 subspecies are recognised:
phaeocephalus (Hartlaub, 1844) - Extreme southern Myanmar (extreme southern Tenasserim), southern Thailand, Peninsular Malaysia, and Sumatra (including Bangka, Belitung, Siberut and Sipura).