Type: report

Article abstract: We report on the sixth year's progress in a multi-year program with the goal of developing a strategy to support the recovery of Western burrowing owls (BUOW; Athene cunicularia hypugaea) and their grassland ecosystem in San Diego County. Current BUOW management is dependent on continued human intervention and may not be self-sustaining. Because the California ground squirrel (Otospermophilus beecheyi) is a keystone species that helps engineer California grassland ecosystems and provides critical resources for BUOW, re-establishment of this species is a crucial component of any sustainable recovery plan for BUOW and the larger ecosystem.