World Bird List

Species factsheet
Puff-throated Bulbul (Alophoixus pallidus)

Order: Alophoixus pallidus
Family: Bulbuls (Pycnonotidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
griseiceps Pegu Yoma Mts. (sc Myanmar)
robinsoni Tenasserim (se Myanmar)
henrici sw China, e Myanmar, n Thailand and n Indochina
pallidus Hainan I. (off se China)
isani ne Thailand
annamensis c Indochina
khmerensis s Indochina