Pycnonotus striatus
Habitat
Subtropical or tropical moist montane forest
Range
From the eastern Himalaya to northern Vietnam
The striated bulbul, Alcurus striatus, is the only species in its genus. It was first described in the genus Tricophorus, later moved to Pycnonotus and then to Alcurus, and three subspecies are recognised (Wikipedia, general species account).
It lives in subtropical and tropical moist montane forest from the eastern Himalaya to northern Vietnam. The source gives no size, appearance, diet, behaviour or breeding detail and does not describe its status in Nepal (Wikipedia, general species account).