Bündgen, R. and P. F. D. Boesman (2020). Coppery Emerald (Chlorostilbon russatus), 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.copeme1.01 retrieved August 2, 2022