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.
♦ ²An estimate of summer food consumption of six seabird species in Iceland, K. Lilliendahl and J. Solmundsson, ICES Journal of Marine Science, 54: 624–630. 1997
♦ ³Seabird distribution, abundance and diets in the eastern and central Aleutian Islands, J. JAHNCKE, K. O. COYLE AND GEORGE L. HUNT, JR, Fish. Oceanogr. 14 (Suppl. 1), 160–177, 2005