Great spotted woodpecker 
(Gõ kiến gáy đỏ, Gõ kiến nhỏ sườn đỏ, Dendrocopos major) 

The great spotted woodpecker (Dendrocopos major) is a medium-sized woodpecker with pied black and white plumage and a red patch on the lower belly.

Piciformes, picidae, picus: Latin woodpecker
Dendrocopos: Greek dendron tree; kopos striking (kopto to strike, cut, shake).