The bird genus Columba comprises a group of medium to large pigeons. 

Columba: Latin columba (“dove, pigeon”). Ancient Greek κόλυμβος (kólumbos, “a diver”), from κολυμβάω (kolumbáō, “dive, plunge headlong, swim”).

1/ Pale-capped pigeon (Bồ câu nâu, Columba punicea), also known as the purple wood pigeon

2/ Rock dove, rock pigeon, or common pigeon (Gầm ghì đá, Columba livia)

3/ Ashy wood pigeon (Columba pulchricollis) 
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