Chestnut-crowned Warbler (Phylloscopus castaniceps) [XC498999]
by Marc Anderson from Sapa Botanical Gardens, Vietnam (song)
Chestnut-crowned Warbler (Phylloscopus castaniceps) [XC786039]
by Paul Lenrum\u00e9 from Selangor; Fraser's Hill, Malaysia (song)
Subspecies
Forms a superspecies with Yellow-breasted Warbler (Phylloscopus montis) and Javan Warbler (Phylloscopus grammiceps), although overlaps in range with both to limited extent. Birds in south-western Cambodia of uncertain racial affiliation, tentatively placed in stresemanni.
The following 9 subspecies are recognised:
castaniceps (Hodgson, 1845) - Northern and north-eastern India (extreme eastern Uttaranchal east to Arunachal Pradesh, also hills south of R Brahmaputra in Nagaland and Manipur), Nepal, Bhutan, extreme southern China (southern and south-eastern Xizang, western Yunnan), Bangladesh (Chittagong Hill Tracts) and western and northern Myanmar.
sinensis (Rickett, 1898) - Breeds central and southern China (southern Shaanxi south to Sichuan and north-western Fujian), northern Laos and northern Vietnam (western and eastern Tonkin, northern Annam). Non-breeding south-eastern China (southern Guizhou and south-eastern Yunnan east to southern Fujian, south to Guangxi and Guangdong).
laurentei (La Touche, 1922) - South-eastern Yunnan (Mengzi region) and southern Guangxi (Yaoshan Mts), in extreme southern China.
collinsi (Deignan, 1943) - Eastern Myanmar and north-western Thailand.
BirdLife International Species Factsheet