PROTECTION STATUS: Not listed
CRITICAL HABITAT: None
RECOVERY PLAN: None
RANGE: The San Bernardino Mountains of Southern California; appears to be extirpated or near extirpated from the San Jacinto Mountains
THREATS: Climate change; habitat changes due to dams and water development, as well as agricultural and urban development; invasive plants; feral burros; recreational impacts by visitors to Lake Mead; natural erosion and scouring; predation and competition by introduced species; and disease
POPULATION TREND: The San Bernardino flying squirrel is thought to be extirpated or near extirpated from the San Jacinto Mountains. Population size and trends for the remaining flying squirrel population in the San Bernardino Mountains are unknown; however, low densities of squirrels estimated in the 1990s suggest that it is not abundant.