mourning dove

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

• noun A grayish-brown, swift-flying dove (Zenaida macroura) of North and Central America, noted for its mournful call.

from The Century Dictionary.

• noun The common American or Carolina turtle-dove, Zenaidura carolinensis: so called from its plaintive cooing. See cut under dove.

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

• noun A grey-coloured dove, Zenaida macroura, that has a mournful call, native to North America

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

• noun wild dove of the United States having a mournful call