Great barbet 
(Thầy chùa lớn, Psilopogon virens)

The great barbet (Psilopogon virens) is an Asian barbet native to the Indian sub-continent and Southeast Asia.
The bird ranges across northern Pakistan, India, Nepal and Bhutan, Bangladesh and some parts of Southeast Asia, Laos.

Traits:
- Black-headed;
- Olived-mantled;
- Green lower-bodied;
- Pale-billed, yellow-billed;
- Red-vented;
- Bristle-bill-based;
- Yellow-throated, blue-throated;

Piciformes, picidae, picus: woodpecker
Megalaima means ‘large throat’ in Greek.
The name Psilopogon combines the Ancient Greek psilos meaning "bare" and pōgōn meaning "beard".
virens: Latin for green.