Butterflies common to the Martin Griffin Preserve of Audubon Canyon Ranch

ACR’s Martin Griffin Preserve encompasses 1,000 acres in West Marin, protected in perpetuity since 1962 as a wildlife sanctuary.

Martin Griffin Preserve of ACR consists of mixed evergreen forests blanket slopes overlooking the Bolinas Lagoon. Open hillsides support grasslands and coastal scrub, while freshwater habitats nestle in canyon floors. The preserve is home to more than twentyfive species of mammals, over ninety species of landbirds, thirteen species of reptile, and eight species of amphibian.

The preserve’s frontage along Bolinas Lagoon brings more than 60 species of waterbirds and shorebirds into view—from sandpipers to Osprey to pelicans—as well as some of the resident harbor seals. less ↑