- Columba, Dove - a constellation in the southern hemisphere near Puppis and Caelum
--1 is a kind of constellation
- Columba, genus Columba - type genus of the Columbidae: typical pigeons
--2 is a kind of bird genus
--2 is a member of Columbidae, family Columbidae
--2 has members:rock dove, rock pigeon, Columba livia; band-tailed pigeon, band-tail pigeon, bandtail, Columba fasciata; wood pigeon, ringdove, cushat, Columba palumbus