rock pigeon

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A bird (Columba livia) native to Europe, North Africa, and Asia but widely distributed elsewhere, having variously colored plumage with iridescent markings on the neck. It is the common pigeon seen in cities and is frequently domesticated.

from The Century Dictionary.

• noun The common pigeon, rock-dove, or rock, Columba livia, the wild original of the domestic pigeon or dove. See cut under rock-dove.
• noun The sand-pigeon or sand-grouse. See Pteroclidæ.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A term used in Australia to refer to the native bronzewing pigeons, or bronzewings.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun pale grey Eurasian pigeon having black-striped wings from which most domestic species are descended