
Photo: (c) Rejoice Gassah, some rights reserved (CC BY) · CC-BY (May be cropped or resized)
Hemixos flavala
Habitat
Subtropical or tropical moist lowland and moist montane forest
Range
Indian subcontinent and Southeast Asia
The ashy bulbul is a songbird of the bulbul family found on the Indian subcontinent and in Southeast Asia. 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 gives no plumage, size, diet or breeding information, so none is stated.