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
♦ ²Food habits of the Crested Caracara (Caracara plancus) in the Andean Patagonia: the role of breeding constraints, A. Travaini, J. A. Donázar, O. Ceballos & F. Hiraldo, Journal of Arid Environments (2001) 48: 211–219
♦ ³Predation upon small mammals in shrublands and grasslands of southern South America: ecological correlates and presumable consequences, Fabian M. Jaksic, Revista Chilena de Historia Natural 59: 209-221 (1986)
♦ ⁴Zaedyus pichiy (Cingulata: Dasypodidae), MARIELLA SUPERINA AND AGUSTIN M. ABBA, MAMMALIAN SPECIES 46(905):1–10 (2014)