Comments on possible listing of Greater Sage Grouse under the provisions of the Endangered Species Act. on 23 June 2008. Comments on possible listing of Greater Sage Grouse under the provisions of the Endangered Species Act. Page 2 Page 3 Page 4 All Pages WGA Chair & Vice Chair U.S. Fish and Wildlife Service June 23, 2008 Comments on possible listing of Greater Sage Grouse under the provisions of the Endangered Species Act.