sharp-tailed grouse

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

• noun A grouse (Tympanuchus phasianellus) of northern North America, having a short pointed tail, mottled brown plumage, and dark V-shaped breast markings.

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

• noun large grouse of prairies and open forests of western North America