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♦ ¹HABITAT 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)
♦ ²Occurrence, photo-identification and prey of Pacific white-sided dolphins (Lagenorhyncus obliquidens) in the Broughton Archipelago, Canada 1984-1998, Alexandra Morton, Marine Mammal Science Vol. 16, no. 1, pp. 80-93. Jan 2000
♦ ³Food 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