Brunei Darussalam, Cambodia, China (mainland), Hong Kong (China), India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Pakistan, Singapore (B), Taiwan (China), Thailand, Vietnam.
Population
Estimated population is unknown (2010).
Yellow-bellied Prinia (Prinia flaviventris) [XC706243]
by Tushar Bhagwat from Bhitarkanika, Kendrapara, Odisha, Thailand (song)
Yellow-bellied Prinia (Prinia flaviventris) [XC782973]
by Greg Irving from Lai Ngao (near Muang Yai), Wiang Kaen District, Chiang Rai, Thailand (call)
Subspecies
Subspecies form two groups, eastern group (sonitans, latrunculus) having brownish upperparts and pale buffish lower underparts, and western and southern group (other races), with these areas respectively greenish and yellow.
The following 7 subspecies are recognised:
sindiana Ticehurst, 1920 - Pakistan (R Indus drainage eastern from Bannu, in NWFP, and south to Sind) and adjacent north-western India (Punjab, Delhi and Haryana).
flaviventris (Delessert, 1840) - Patchily through terai of northern Indian Subcontinent from northern India (Uttaranchal Pradesh) east to Arunachal Pradesh and western and northern Myanmar.
delacouri Deignan, 1942 - Eastern and southern Myanmar, southern China (southern Yunnan), Thailand, Laos, Cambodia and Vietnam.
rafflesi Tweeddale, 1877 - Peninsular Malaysia, Sumatra and western and central Java.
halistona (Oberholser, 1912) - Nias I, off western Sumatra.
sonitans Swinhoe, 1860 - North-eastern Vietnam (Tonkin), southern China (Guangxi, Guangdong, Fujian, Hainan) and Taiwan. Considered by some authors to be a distinct species, Chinese Prinia (Prinia sonitans).
BirdLife International Species Factsheet