Gray-Headed Woodpecker 
also known as the grey-faced woodpecker.
(Gõ kiến xanh gáy đen, Picus canus).

The grey-headed woodpecker (Picus canus), also known as the grey-faced woodpecker, is a Eurasian member of the woodpecker family, Picidae. 

picidae, picus: woodpecker.
The specific epithet canus is the Latin for "grey".