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history of rookery

In the 1700s the maritime fur trade of the Pacific Northwest depleted nearly all species of marine mammals including sea otters, whales, dolphins, seals and sea lions. Elephant seals were hunted almost to extinction for their oil-rich blubber, which was used to make oil for lamps and lubrication. By 1900, many species, including the northern elephant seal were believed extinct. By 1892, fewer than 100 elephant seals remained on Guadalupe Island off of Baja California. In 1922, Mexico granted elephant seals protected status, and the United States soon followed. Since protection, the northern elephant seal population has expanded northward to islands along the coast of California including the Channel Islands, Año Nuevo Island (north of Santa Cruz) and the Farallon Islands off the coast of San Francisco.

observationThe first elephant seals were observed on Año Nuevo Island in 1955, and the first pup was born there in1961. Males began showing up on the mainland in 1965. A pup born in January 1975 was the first known birth of a northern elephant seal on the mainland of California.

By 1982, elephant seals were seen along the Big Sur coastline, more than 100 miles south of Año Nuevo. In 1990, elephant seals were observed on beaches south of the Piedras Blancas Lighthouse. By the spring of 1991 nearly 400 seals hauled out there to molt. In February, 1992 the first pup was born at Piedras Blancas. In 1993, about 50 pups were born. In 1995, 600 pups were born. By 1996 the number of pups soared to nearly 1000 and the colony stretched southward and northward to beaches adjacent to Highway 1.

User conflicts began to occur when beaches historically used by humans were rapidly taken over by elephant seals. Wildlife management agencies were overwhelmed by the number of seal-human interactions and had no clear solutions.

elephant seal docentsFriends of the Elephant Seal was formed in 1997 with the goal of providing education about the elephant seals and other marine life on the central coast of California. Docents at the viewing areasFES answer questions and help visitors get the most from their viewing experience.  Public safety and respect for the seals are prime considerations.

Since 1997, improvements at the viewing areas have further enhanced the viewing experience, with boardwalk overlooks built by the California Conservation Corps with support from the California Coastal Conservancy, interpretive signs provided by California State Parks and handicapped parking lot improvements and access provided by the California Department of Transportation. 


The coastal area that includes the rookery became state property under the control of State Parks in 2006. In 2011 the relationship between Friends of the Elephant Seals and State Parks became formalized with FES becoming a cooperating association with State Parks and our docents at the rookery becoming Volunteers in the Park.

elephant seal pair in waterDuring the pupping and breeding season, elephant seals usually return to the same  beaches where they were born. As more pups are born every year, the colony continues to grow.  During 2014-2015, more than 23,000 elephant seals arrived along a 6-mile stretch of coastline north and south of Point Piedras Blancas, and the colony continues to expand to other beaches.




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Photo contributions by Phil Adams, Joan Crowder, Peter Hemming, Brandt Kehoe, Tim Postiff & Nancy McKarney