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Chalcophaps is a genus of small doves, commonly called emerald doves, that are found in Indomalaya and Australasia.

1/ Emerald dove or common emerald dove (Cu luồng, Chalcophaps indica), also called Asian emerald dove and grey-capped emerald dove

Columba, Columbidae: Latin columba (“dove, pigeon”). Ancient Greek κόλυμβος (kólumbos, “a diver”), from κολυμβάω (kolumbáō, “dive, plunge headlong, swim”).
ChalcophapsIn the Ancient Greek language: khalkos meaning "bronze" and phaps meaning "pigeon".

Macropygia is a genus of bird in the pigeon and dove family Columbidae. The genus is one of three genera known as cuckoo-doves.
Columbidae, Columba: Latin columba (“dove, pigeon”). Ancient Greek κόλυμβος (kólumbos, “a diver”), from κολυμβάω (kolumbáō, “dive, plunge headlong, swim”).
Macropygia: the Ancient Greek makros meaning "long" or "deep" and "-pugios" meaning "-rumped").

1/ Little cuckoo-dove (Gầm ghì đầu hung, Macropygia ruficeps) 
2/ Barred cuckoo-dove (Gầm ghì vằn, Macropygia unchall) 

Spilopelia is a genus of doves that are closely related to Streptopelia, yet distinguished from them by differences in morphology and behavior. 

1/ Spotted dove (Cu gáy, Cu đất, Spilopelia chinensis)
Another name was Streptopelia chinensis.
Formerly included in the genus Streptopelia with other turtle-doves, but studies suggest that they differ from typical members of that genus. 

Columba, Columbidae: Latin columba (“dove, pigeon”). Ancient Greek κόλυμβος (kólumbos, “a diver”), from κολυμβάω (kolumbáō, “dive, plunge headlong, swim”).
The name Spilopelia combines the Ancient Greek spilos meaning "spot" and peleia meaning "dove".

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".