Black-faced laughingthrush 
(Khướu mặt đen, Trochalopteron affine)

The black-faced laughingthrush (Trochalopteron affine) is a bird species in the family Leiothrichidae.

Leiothrix Leiothrichidae Ancient Greek leios meaning "smooth" and thrix meaning "hair".
Trochalopteron: the Ancient Greek trokhalos meaning "round" or "bowed" with pteron meaning "wing".
affinae, affine, affinis Latin adfinis or affinis related, allied.