Annam Limestone Babbler 
(khướu đá hoa, Gypsophila annamensis)
native to the limestone hills of northern Indochina.

The Annam limestone babbler (Gypsophila annamensis) is a species of bird in the family Pellorneidae. 

Pellorneum, Pellorneidae: combines the Ancient Greek pellos meaning "dark-coloured" with orneon meaning "bird".
Gypsophila :Greek gupsos chalk, gypsum; philos fond of.
annamensis: supposed to be from Annam which is wrong.