Habitat
Subtropical and tropical montane moist forest. Also, subtropical and tropical lowland moist forest, high altitude shrubland, temperate forest. From 180 - 3,300 m.
Bangladesh, Bhutan, Brunei Darussalam, Cambodia, China (mainland), India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Singapore, Singapore, Singapore, Taiwan (China), Thailand, Vietnam.
Population
Estimated population is unknown (2010).
White-bellied Erpornis (Erpornis zantholeuca) [XC58778]
by Desmond Allen from Ba Vi National Park, Vietnam (?)
White-bellied Erpornis (Erpornis zantholeuca) [XC628274]
by Bram Piot from Nam Kat Yorla Pa (waterfall road), Oudomxay, Laos (call)
Subspecies
Affinities uncertain. Geographical variation trivial, and some named subspecies considered untenable; thus, griseiloris (from south-eastern Yunnan and Guizhou east to Taiwan) is synonymized with tyrannulus, and sordida (eastern Thailand and southern Indochina) and interposita (Peninsular Malaysia) with nominate.
The following 8 subspecies are recognised:
zantholeuca (Blyth, 1844) - Nepal, Bhutan, all north-eastern Indian states, eastern Bangladesh, southern China (western and southern Yunnan), and throughout south-eastern Asia (except for northern and south-eastern Thailand and northern Indochina).
tyrannulus Swinhoe, 1870 - South-eastern China (south-eastern Yunnan and southern Guizhou east to Jiangxi and Fujian, including Hainan and Hong Kong), Taiwan, northern Thailand and northern Indochina.
BirdLife International Species Factsheet