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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 from the Himalayan region through Southeast Asia to Indonesia, in subtropical or tropical moist lowland and montane forest. 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 (Wikipedia, general species account).