USU Extension Fact Sheet
Greater sage-grouse (Centrocercus urophasianus; sage-grouse), as their name implies, depend on sagebrush (Artemisia spp.) for their survival. In fact, during the winter sage-grouse survive by only eating sagebrush.
Dahlgren, D.K., E.T. Thacker, and T.A. Messmer. 2015. What Does a Sage-grouse Eat? USU Extension Fact Sheet.