Diet Overlap

Semicossyphus pulcher (California sheephead)
Larus glaucescens (Glaucous-winged Gull)

Common Diet

Mesocentrotus franciscanus (Red sea urchin)

Common Habitat

Channel Islands National Marine Sanctuary
Channel Islands National Park

Attributes / relations provided by
♦ 1Site-specific differences in the feeding ecology of the California sheephead, Semicossyphus pulcher (Labridae), Robert K. Cowen, Environmental Biology of Fishes Vol. 16, No. 1-3, pp. 193-203. 1986
♦ 2Wootton, J. Timothy. "Estimates and tests of per capita interaction strength: diet, abundance, and impact of intertidally foraging birds." Ecological Monographs 67.1 (1997): 45+. Academic OneFile. Web. 23 July 2010