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♦ ¹Agüero, M. L., Borboroglu, P. G., & Esler, D. (2014). Trophic ecology of breeding white-headed steamer-duck (Tachyeres leucocephalus). Waterbirds, 37(1), 88-93.
♦ ²Gonzalez-Acuna, D., Riquelme Salazar, P., Cruzatt Molina, J., Lopez Sepulveda, P., Skewes Ramm, O., Figueroa, R., & Ricardo, A. (2006). Diet of the Chilean Tinamou (Nothoprocta perdicaria) in south central Chile. Ornitología Neotropical, 17(3), 467-472.