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♦ ¹Exploitation of mesoscale oceanographic features by grey-headed albatross Thalassarche chrysostoma in the southern Indian Ocean, D. C. Nel, J. R. E. Lutjeharms, E. A. Pakhomov, I. J. Ansorge, P. G. Ryan, N. T. W. Klages, MARINE ECOLOGY PROGRESS SERIES, Vol. 217: 15–26, 2001
♦ ²Diet of the south polar skua Catharacta maccormicki and the brown skua C. antarctica lonnbergi at Cierva Point, Antarctic Peninsula, Silvina L. Malzof, Rubén D. Quintana, Polar Biol (2008) 31:827–835