World Bird List

Species factsheet
Green-tailed Sunbird (Aethopyga nipalensis)

Order: Aethopyga nipalensis
Family: Sunbirds (Nectariniidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
horsfieldi w Himalayas to w Nepal
nipalensis c and e Nepal and n India
koelzi se Tibet, Bhutan and e Bangladesh to sc China and n Vietnam
victoriae w Myanmar
karenensis e Myanmar
angkanensis nw Thailand
australis peninsular Thailand
blanci Laos
ezrai s Vietnam