
Photo: Tisha Mukherjee · CC BY-SA 4.0 (May be cropped or resized)
Phylloscopus castaniceps
Diet
Insects; arboreal
Habitat
Forest; small seasonal movements to higher or lower elevations
Range
Bangladesh, Bhutan, Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand and Vietnam
The chestnut-crowned warbler is a leaf warbler found in Bangladesh, Bhutan, Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand and Vietnam. Nine subspecies are recognised across its range, and it forms a superspecies with the Sunda warbler and the yellow-breasted warbler (Wikipedia, general species account).
It is arboreal and primarily insectivorous; though not considered migratory, it may make small seasonal movements to higher or lower elevations. SoIB 2023 rates it a Low conservation priority, a resident and altitudinal migrant forest bird with a Moderate range of about 63,100 km² (Wikipedia, general species account; SoIB 2023).