del Hoyo, J. and G. M. Kirwan (2020). Chaco Chachalaca (Ortalis canicollis), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.chacha1.01 retrieved September 29, 2021
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