USFWS listed the Peñasco least chipmunk (Neotamias minimus atristriatus), a mammal from New Mexico, as an endangered species under the ESA. They also designate critical habitat. In total, approximately 1,774 hectares (4,386 acres) in Lincoln County, New Mexico, fall within the boundaries of the critical habitat designation. This rule extends the protections of the Act to this species and its designated critical habitat. This rule is effective 9 January 2025. POC is Shawn Sartorius, Field Supervisor, U.S. Fish and Wildlife Service, New Mexico Ecological Services Field Office, 2105 Osuna Road NE, Albuquerque, NM 87113; tele 505-346-2525. (Federal Register 10 December 2024 [Rule] Pages 99656-99687)