Attributes / relations provided by
♦ ¹Groundfish Food Habits and Predation on Commercially Important Prey Species in the Eastern Bering Sea From 1997 Through 2001, Lang, G. M., P. A. Livingston, and K. A. Dodd, 2005, U.S. Dep. Comer., NOAA Tech. Memo. NMFS-AFSC-158, 230 p.
♦ ²Diving depths, diet, and underwater foraging of Rhinoceros Auklets in British Columbia, Alan E. Burger, Rory P. Wilson, Don Garnier and Marie-Pierre T. Wilson, Canadian Journal of Zoology Vol. 71: 2528-2540 (1993)
♦ 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