prairie chicken

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

• noun Either of two grouse (Tympanuchus cupido or T. pallidicinctus) found in western North America and having deep-chested bodies and mottled brownish plumage.

from The Century Dictionary.

• noun Same as prairie-hen.

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

• noun Either of two species of flightless bird of the genus Tympanuchus, native to the prairies of North America, the greater and lesser prairie chickens

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

• noun brown mottled North American grouse of western prairies