
Photo: (c) Sagnik Dutta Roy, some rights reserved (CC BY) · CC-BY (May be cropped or resized)
Aethopyga nipalensis
Habitat
Temperate forests and subtropical or tropical moist montane forests; in south-east Szechwan and Yunnan, open mountain woods with moss-covered trees at 1,825–3,350m
Range
Nepal and the northern Indian subcontinent, east into parts of Southeast Asia
The green-tailed sunbird, or Nepal yellow-backed sunbird, is found in Nepal and the northern regions of the Indian subcontinent, stretching eastwards into parts of Southeast Asia. Its natural habitats are temperate forests and subtropical or tropical moist montane forests (Wikipedia, general species account).
In south-east Szechwan and Yunnan it lives in open mountain woods with moss-covered trees at 1,825 to 3,350m. The source read does not name Bhutan, and gives no plumage, size, diet or breeding information, so none is stated.