Mendocino Coast Audubon Society logo Mendocino Coast Audubon Society

Cormorant Monitoring,
A Program of the Mendocino Coast Audubon Society
Pelagic Cormorants
Pelagic Cormorants at Little River Headlands, Mendocino County, CA
Photographs by Ron LeValley

In 2013, volunteers from Mendocino Coast Audubon Society are conducting the third year of monitoring cormorant colonies in central coastal Mendocino County. This year approximately a dozen Pelagic Cormorant colonies are being monitored as are the Brandt’s Cormorants on the islands off the Mendocino Headlands and at Kibesillah Rock south of Westport. This basic monitoring, performed primarily by local volunteers and the use of high resolution photography, has provided valuable data on the reproductive success of these cormorants that further aids in our understanding of ocean conditions as it relates to seabird nesting in Northern California. We are planning to collaborate with other groups doing surveys in Sonoma County, Del Norte County, Southern California and Oregon to assess the long-term status of the Pelagic Cormorants.

This project was supported in the past by grants from the California Coastal National Monument and Mendocino Coast Audubon Society.

Ron LeValley has compiled the data gathered and presented papers to the Pacific Seabird Group annual meetings in 2011 and 2012. He is planning to summarize the five years of data at the next Pacific Seabird Group meeting in February, 2014.

For information, contact: Ron at levalleyphoto dot com