carrion crow

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

• noun A common Eurasian crow (Corvus corone) having glossy black plumage.

from The Century Dictionary.

• noun The common crow of Europe, Corvus corone: so called because it often feeds on carrion. See cut under crow.
• noun The urubu or black vulture of America, Catharista atrata, a common bird of the southern United States, resembling the turkey-buzzard, and feeding entirely upon carrion.
• noun The common crow of America, Corvus americanus.
• noun A name of the European rook, Corvus frugilegus.

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

• noun The common European black crow Corvus corone.
• noun The American black vulture Coragyps atratus.

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

• noun American vulture smaller than the turkey buzzard