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♦ ¹Diet of the Steller’s Sea Eagle in the Northern Sea of Okhotsk, Irina UTEKHINA, Eugene POTAPOV & Michael J. MCGRADY, First Symposium on Steller’s and White-tailed Sea Eagles in East Asia pp. 71-82, 2000
♦ ²Food 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