Washington Habitat Map (image) University of Washington Share Print E-Mail Caption The historical range for sage grouse in Eastern Washington, dotted lines, has shrunk to the shaded areas. Sage grouse sightings are shown with black dots, in three remaining subpopulations. Credit Andrew Shirk/University of Washington Usage Restrictions With credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.