>Map >Satellite Located some 300 meters (1,000 feet) north of Prince Island, this relatively barren rock is an important nesting area for Brandt's cormorant, Phalacrocorax penicillatus, along the Northern California coast. Other breeding populations here include the pelagic cormorant, Phalacrocorax pelagicus, western gull, Larus occidentalis, pigeon guillemot, Cepphus columba, and black oystercatcher, Haematopus bachmani.
The rocks are of the Franciscan formation.
Integrity: Undisturbed
Use: Educational, research, observational, Should not be approached during breeding season.
Ref: Osborne, T. 1972. Ecology and Avian Use of the Coastal Rock of Northern California. M.A. Thesis. Unpub. Humboldt State University, 215 pp.
February 1976
Inventory of California Natural Areas
Revision © 2008 Steven Louis Hartman
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