Black throated bushtit
The black-throated bushtit (Aegithalos concinnus), also known as the black-throated tit, is a very small passerine bird in the family Aegithalidae.
It ranges from the foothills of the Himalayas, stretching across northern India through Nepal, Bhutan, northern Burma, Vietnam, and Taiwan. Disjunct populations also occur in southern Vietnam and the island of Hainan. It lives in open broadleaf forest as well as pine forest, generally occurring in middle altitudes. source