
Photo: (c) William Stephens, some rights reserved (CC BY) · CC BY 4.0 (May be cropped or resized)
Psilopogon lineatus
Diet
Fruit
Habitat
Nests in holes in tree trunks
Range
Terai and Brahmaputra basin to Southeast Asia
The lineated barbet is an Asian barbet native to the Terai and the Brahmaputra basin through to Southeast Asia. It is a fruit-eater and nests in holes in tree trunks (Wikipedia, general species account).
That one-sentence account is all the source read for the Bhutan guide gives. No plumage, size, voice or clutch information was found, so none is stated, and its occurrence in Bhutan is flagged for checking.