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♦ ¹A Quantitative Assessment of the Diet of the Blue Shark (Prionace glauca) off Nova Scotia, Canada, Meaghen E. McCord and Steven E. Campana, J. Northw. Atl. Fish. Sci., Vol. 32: 57-63
♦ ²HABITAT USE, DIET AND BREEDING BIOLOGY OF TUFTED PUFFINS IN PRINCE WILLIAM SOUND, ALASKA, John F. Piatt, Daniel D. Roby, Laird Henkel and Kriss Neuman, Northwestern Naturalist 78:102-109 (1997)
♦ ³Feeding ecology and niche segregation in oceanic top predators off eastern Australia, Jock W. Young, Matt J. Lansdell, Robert A. Campbell, Scott P. Cooper, Francis Juanes, Michaela A. Guest, Mar Biol (2010) 157:2347–2368
♦ ⁴Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979