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♦ ¹THE DIET AND FORAGING BEHAVIOUR OF TWO PATAGONIAN CORMORANTS, G.E. PUNTA, J.R.C. SARAVIA & P.M. YORIO, Marine Ornithology 21, 1993, pp. 27-36
♦ ²DIET OF THE COMMON TERN (STERNA HIRUNDO) DURING THE NONBREEDING SEASON IN MAR CHIQUITA LAGOON, BUENOS AIRES, ARGENTINA, Laura Mauco & Marco Favero, ORNITOLOGIA NEOTROPICAL 15: 121–131, 2004