
Photo: (c) Rejoice Gassah, some rights reserved (CC BY) · CC-BY (May be cropped or resized)
Yuhina gularis
Habitat
Subtropical or tropical moist montane forests
Range
The Himalayas to southern China and central Vietnam
The stripe-throated yuhina is a member of the white-eye family found from the Himalayas to southern China and central Vietnam. Its natural habitat is subtropical or tropical moist montane forest (Wikipedia, general species account).
That short account is the only source read for the Bhutan guide. It does not name Bhutan specifically, and gives no plumage, size, diet or breeding information, so none is stated.