Collar, N., G. M. Kirwan, and C. J. Sharpe (2020). Maroon-faced Parakeet (Pyrrhura leucotis), 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.mafpar3.01 retrieved March 9, 2023