
Photo: (c) Jagdish Singh Negi, some rights reserved (CC BY) · CC-BY (May be cropped or resized)
Zoothera mollissima
Habitat
Subtropical or tropical high-altitude shrubland and grassland
Range
North-western Himalayas to southern China
The alpine thrush is a member of the thrush family found from the north-western Himalayas to southern China. Its natural habitats are subtropical or tropical high-altitude shrubland and high-altitude grassland (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.