Yellow-bellied Bulbul (Alophoixus phaeocephalus) [XC445731]
by Okamoto Keita Sin from Taman Negara National Park, Malaysia (call)
Yellow-bellied Bulbul (Alophoixus phaeocephalus) [XC359538]
by Mike Nelson from Danum Valley Field Centre, Danum Valley, Sabah, Borneo, Malaysia (call)
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).