| Lassics lupine (Lupinus constancei) is a rare perennial forb endemic to a 1-km2 serpentine community on Mount Lassic and Red Lassic in Northern California. Pre-dispersal granivory by small mammals such as deer mice (Peromyscus spp.) and chipmunks (Tamias spp.) has led to a recent population decline. Granivore exclusion increased population viability, yet this is not a practical long-term management solution. Encroachment of chaparral and forest communities may facilitate granivory on lupine. Quantifying movement of small mammals in and among the chaparral, forest, and serpentine communities given their potential effects on the Lassics lupine's reproductive success, may aid in effectively conserving this plant species. We marked animals using ear tags and PIT tags in Summer 2015. Using a capture/recapture approach, we modeled granivore movement within and among the different communities. Deer mice moved an average of 34.1 meters whereas chipmunks moved 39.5 meters between trapping occasions. Deer mice movements were mainly within serpentine or chaparral communities with ~17% among community types. Chipmunks stayed mostly within forest or chaparral communities and moved more often among community types (~37%). Examination of granivore movement into different community types may yield novel insight into habitat based, long-term management actions for rare, endemic plants. |