Both these two birds have green the hood possessing blue, red and black colors.
The difference between Blue-throated Barbet and Blue-eared Barbet in Vietnam:
1/ The Asian green bee-eater (Merops orientalis), also known as little green bee-eater, and green bee-eater
Green tail,
Bluish throat with some having black line between the throat and breast.
2/ Blue-tailed bee-eater (Merops philippinus)
Blue tail,
Brown throat
