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♦ ¹Crowned eagles rarely prey on livestock in central Argentina: persecution is not justified, José Hernán Sarasola, Miguel Ángel Santillán, Maximiliano Adrián Galmes, Endangered Species Research 11: 207–213, 2010
♦ ²Breeding Biology of a Grey Eagle-Buzzard Population in Patagonia, Fernando Hiraldo, José A. Donázar, Olga Ceballos, Alejandro Travaini, Javier Bustamante and Martín Funes, The Wilson Bulletin, Vol. 107, No. 4 (Dec 1995), pp. 675-685
♦ ³Zaedyus pichiy (Cingulata: Dasypodidae), MARIELLA SUPERINA AND AGUSTIN M. ABBA, MAMMALIAN SPECIES 46(905):1–10 (2014)