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♦ ¹Who's Eating Who
♦ ²Towards the trophic structure of the Bouvet Island marine ecosystem, U. Jacob, T. Brey, I. Fetzer, S. Kaehler, K. Mintenbeck, K. Dunton, K. Beyer, U. Struck , E.A. Pakhomov and W.E. Arntz, Polar Biology, 29 (2). pp. 106-113 (2006)
♦ ³DIET OF ADÉLIE PENGUINS PYGOSCELIS ADELIAE AT SHIRLEY ISLAND, EAST ANTARCTICA, JANUARY 1992, SHARON KENT, JULIAN SEDDON, GRAHAM ROBERTSON & BARBARA C. WIENECKE, Marine Ornithology 26, pp. 7-10 (1998)
♦ ⁴Studying Seabird Diet through Genetic Analysis of Faeces: A Case Study on Macaroni Penguins (Eudyptes chrysolophus), Bruce E. Deagle, Nick J. Gales, Karen Evans, Simon N. Jarman, Sarah Robinson, Rowan Trebilco, Mark A. Hindell, PLoS ONE 2(9): e831