Attributes / relations provided by
♦ ¹Breeding 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
♦ ²Small-scale spatial variability in the diet of pampas foxes (Pseudalopex gymnocercus) and human-induced changes in prey base, Ariel A. Farias, Marcelo J. Kittlein, Ecol Res (2008) 23: 543–550
♦ ³Zaedyus pichiy (Cingulata: Dasypodidae), MARIELLA SUPERINA AND AGUSTIN M. ABBA, MAMMALIAN SPECIES 46(905):1–10 (2014)
♦ ⁴Lycalopex gymnocercus (Carnivora: Canidae), MAURO LUCHERINI AND ESTELA M. LUENGOS VIDAL, MAMMALIAN SPECIES 820:1–9 (2008)