Black-faced Warbler 
(Chích đớp ruồi mặt đen, Abroscopus schisticeps)

The black-faced warbler (Abroscopus schisticeps) is a species of bush warbler (family Cettiidae). 
The bird is found in Bhutan, China, India, Myanmar, Nepal, and Vietnam.

Cettiidae: Cettia from Francesco Cetti.
Abroscopus Greek abros graceful, splendid, delicate; skopos seeker, purpose.
schisticeps: schistus slate ( schistos type of fissile stone); -ceps -headed, -fold.