White-Bellied Woodpecker
or great black woodpecker 
(Gõ kiến đen bụng trắng, Dryocopus javensis)

The white-bellied woodpecker or great black woodpecker (Dryocopus javensis) is a woodpecker species inhabiting evergreen forests in tropical Indian subcontinent and Southeast Asia. 

Piciformes, picidae, picus: Latin woodpecker.
Dryocopus: Greek druokopos woodpecker (drus tree; kopos beating).