Reference citation: Hills, S, CH Fiscus. 1988. Cephalopod beaks from the stomachs of northern ful. The Murrelet. v.69. pp.15-20
Source citation: Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Data from: Forage species in predator diets: synthesis of data from the California Current. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.nv5d2