Attributes / relations provided by
♦ ¹Food 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
♦ ²Alaska Wildlife Notebook Series, Alaska Department of Fish and Game
♦ ³Diet of minke whales Balaenoptera acutorostrata in Scottish (UK) waters with notes on strandings of this species in Scotland 1992-2002, G.J. Pierce, M.B. Santos, R.J. Reid, I.A.P. Patterson and H.M. Ross, J. Mar. Biol. Ass. U.K. (2004), 84, 1241-1244