Pin-tailed parrotfinch 
(Di xanh, Erythrura prasina)

The pin-tailed parrotfinch (Erythrura prasina) is a common species of estrildid finch found in Southeast Asia: Malaysia, Brunei, Cambodia, Indonesia, Laos, Burma, Vietnam, Thailand and China.

The word Estrildidae is derived from the Greek word "estrildis" meaning "sparrow-like," and the Latin suffix "-idae," denoting a family of animals.
Erythrura: Greek eruthros red.
prasina Latin prasinus leek-green (from Greek prasinos leek-green).