Attributes / relations provided by
♦ ¹Breeding ecology of Horned Puffins (Fratercula corniculata) in Alaska: annual variation and effects of El Niño, A.M.A. Harding, J.F. Piatt, and K.C. Hamer, Can. J. Zool. 81: 1004–1013 (2003)
♦ ²The role of capelin (Mallotus villosus) in the foodweb of the Barents Sea, A. V. Dolgov, ICES Journal of Marine Science, 59: 1034–1045. 2002