Ashy Woodswallow 
sometimes also called the ashy swallow-shrike
(Nhạn rừng, Artamus fuscus)

The ashy woodswallow (Artamus fuscus), also called the ashy swallow-shrike, is a woodswallow which is found in south Asia.

Artaminae, Artamus: Ancient Greek artamos, meaning butcher or murder.
fuscus: Latin fuscus brown, dusky, dark-colored.