Tachyspiza is a genus containing goshawks and sparrowhawk in the family Accipitridae. The species were formerly placed in the genus Accipiter.

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".

1/ Shikra (Ưng xám, (Ưng xám, Tachyspizabadius badia, formerly Accipiter badius) 
2/ Besra (Ưng bụng hung, Tachyspiza virgata, formerly Accipiter virgatus), also called the besra sparrowhawk
The name "besra" is from the Hindi word for the species.