Mrs. Gould's sunbird (Aethopyga gouldiae) Nectarinia gouldiae.
Biodiversity Heritage Library http://biodiversitylibrary.org/page/38534093
Birds of Asia / by John Gould..
London :Printed by Taylor and Francis, pub. by the author,1850-1883..
Artist: John Gould, H. C. Richter (Henry Constantine Richter)
Source: https://www.flickr.com/photos/biodivlibrary/7609265218/
The Gould's sunbird or Mrs. Gould's sunbird (Aethopyga gouldiae) is a species of bird in the Nectariniidae family. It is found in Bangladesh, Bhutan, China, Hong Kong, India, Laos, Myanmar, Nepal, Thailand, and Vietnam.