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♦ ¹Seasonal variation in the diets of bluefish, Pomatomus saltatrix (Pomatomidae) and striped weakfish, Cynoscion guatucupa (Sciaenidae) in southern Brazil: implications of food partitioning, Flavia M. Lucena, Teodoro Vaske, Jr., Jim R. Ellis & Carl M. O’Brien, Environmental Biology of Fishes 57: 423–434, 2000.
♦ ²"Food and Feeding Biology of the South American Tern during the Nonbreeding Season", Marco Favero, M. Susana Bó , M. Patricia Silva R. and Carlos García-Mata, Waterbirds: The International Journal of Waterbird Biology Vol. 23, No. 1 (2000), pp. 125-129