Common Stonechat (Sẻ bụi đầu đen, Saxicola torquatus)
also African stonechat 
This species is considered superspecies now:
 African stonechat Saxicola torquatus in the strict sense
 European stonechat Saxicola rubicola
 Siberian stonechat Saxicola maurus
 Madagascar stonechat Saxicola sibilla

Newly added to this superspecies:
 Fuerteventura chat Saxicola dacotiae
 Reunion stonechat Saxicola tectes
 White-tailed stonechat Saxicola leucurus

Common stonechat is the name used for the Saxicola species Saxicola torquatus of the Old World flycatcher family Muscicapidae.

The stonechats or chats, is a genus of 15 species of small passerine birds restricted to the Old World: ground-feeding, strong migratory.
Saxicola in Latin: saxum, rock + incola, dwelling in. 
torquatus: Latin torquis (“a twisted neck chain, necklace, collar”), from torqueō (“to turn, twist, bend”), Latin torquatus collared (torques collar).