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The greater sage-grouse (Centrocercus urophasianus) is a candidate for listing under the Endangered Species Act. The Service has determined that proposing the species for protection is precluded by the need to take action on other species facing more immediate and severe extinction threats.
Currently, greater sage-grouse are found in Washington, Oregon, Idaho, Montana, North Dakota, Eastern California, Nevada, Utah, Colorado, South Dakota, Wyoming, and the Canadian Provinces of Alberta and Saskatchewan. Greater sage-grouse occupy approximately 56% of their historical range.