World Bird List

Species factsheet
Green-backed Tit (Parus monticolus)

Order: Parus monticolus
Family: Tits, Chickadees (Paridae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
monticolus n Pakistan to w Nepal and s Tibet
yunnanensis e Himalayas and ne India to c China, n Indochina and Myanmar
legendrei sc Vietnam
insperatus Taiwan