A male and female sage grouse.
sage grouse definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a large grouse (Centrocercus urophasianus) living on the sagebrush plains of W North America
Also, esp. for the female, sage hen
sage grouse definition by American Heritage Dictionary
A chickenlike bird (Centrocercus urophasianus) of western North America, having long pointed tail feathers that can be spread like a fan.