Attributes / relations provided by
♦ ¹DIET AND FEEDING BEHAVIOR OF FIN AND BRYDE'S WHALES IN THE CENTRAL GULF OF CALIFORNIA, MEXICO, Bernie R. Tershy, Alejandro Acevedo-G., Dawn Breese and Craig S. Strong, Rev. Inv. Cient. Vol. 1, UABCS, 1993
♦ 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