Streptopelia is a genus of birds in the pigeon and dove family Columbidae. 

1/ Red collared dove (Cu ngói, Streptopelia tranquebarica), also known as the red turtle dove
2/ Oriental turtle dove or rufous turtle dove (Cu sen, Streptopelia orientalis)

Columba, Columbidae: Latin columba (“dove, pigeon”). Ancient Greek κόλυμβος (kólumbos, “a diver”), from κολυμβάω (kolumbáō, “dive, plunge headlong, swim”).
The genus name Streptopelia is from Ancient Greek: streptos meaning "collar" and peleia meaning "dove". 

Bird Species in Vietnam