Green peafowls at Cat Tien National Park

Chinese sparrowhawk (Ưng lưng đen, Tachyspiza soloensis) 

The Chinese sparrowhawk (Tachyspiza soloensis) is a bird of prey in the family Accipitridae. 
This species was formerly placed in the genus Accipiter.

The bird breeds in Southeast China, Taiwan, Korea and Siberia; winters in Indonesia and Philippines, passing through the rest of Southeast Asia. 
The habitat is mostly in forests, but sometimes on the edges.

Accipitridae from Latin accipiter/accipitri- "hawk".
accipitrinus Latin accipitrinus hawk-like (accipiter: hawk).
The name Tachyspiza: combination of the Ancient Greek takhus meaning "fast" with spizias meaning "hawk".
The word "soloensis" is derived from Latin and means "native to or discovered in the Solo River valley". The Solo River is in Indonesia.