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♦ 1"Diet and foraging ecology of Black Guillemots in northeastern Hudson Bay", D. K. Cairns, Canadian Journal of Zoology, 1987, 65(5): 1257-1263
♦ 2Feeding Interactions and Diet of Carnivorous Fishes in the Shelikhov Bay of the Sea of Okhotsk, V. V. Napazakov, Russian Journal of Marine Biology, 2008, Vol. 34, No. 7, pp. 452–460
♦ 3Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.