Yellow-bellied Bulbul (Alophoixus phaeocephalus) [XC33667]
by Mike Nelson from Pinang Jatus, Gunung Lumut Protection Forest, East Kalimantan, Borneo, Indonesia (call)
Yellow-bellied Bulbul (Alophoixus phaeocephalus) [XC502209]
by Kim Chuah Lim from Panti Bird Sanctuary, Johor, 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).