
Photo: (c) Paulmathi Vinod, some rights reserved (CC BY) · CC-BY (May be cropped or resized)
Mycerobas melanozanthos
Habitat
Subtropical or tropical dry forests and moist montane forests, at middle to higher elevations
Range
Indian subcontinent and parts of Southeast Asia: Bhutan, India, Laos, Myanmar, Nepal, Pakistan, Thailand, Tibet and Vietnam
The spot-winged grosbeak is a finch found at middle to higher elevations in the Indian subcontinent and parts of Southeast Asia, including Bhutan, India, Laos, Myanmar, Nepal, Pakistan, Thailand, Tibet and Vietnam. Its natural habitats are subtropical or tropical dry forests and moist montane forests (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.