
Photo: JJ Harrison · CC BY-SA 4.0 (May be cropped or resized)
Pellorneum tickelli
Habitat
Subtropical or tropical moist lowland and moist montane forest
Range
Bangladesh, Cambodia, China, India, Laos, Malaysia, Myanmar, Thailand and Vietnam
The buff-breasted babbler is a member of the family Pellorneidae found in Bangladesh, Cambodia, China, India, Laos, Malaysia, Myanmar, Thailand and Vietnam. Its natural habitats are subtropical or tropical moist lowland forest and moist montane forest (Wikipedia, general species account).
That short account is the only source read for the Bhutan guide. It does not name Bhutan, so its occurrence there is flagged for checking, and it gives no plumage, size, diet or breeding information.