SUMMARY: We, the U.S. Fish and Wildlife Service, propose to list the Gunnison sage-grouse (Centrocercus minimus) as endangered under the Endangered Species Act of 1973, as amended (Act). The effect of this regulation would be to add the Gunnison sage-grouse to the Lists of Endangered and Threatened Wildlife under the Act.

DATES: We will accept comments received or postmarked on or before March 12, 2013. Comments submitted electronically using the Federal eRulemaking Portal (see ADDRESSES section, below) must be received by 11:59 p.m. Eastern Time on the closing date. We must receive requests for public hearings, in writing, at the address shown in the FOR FURTHER INFORMATION CONTACT section by February 25, 2013.