Collar, N. (2020). Blue-tailed Trogon (Trogon comptus), 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.buttro1.01 retrieved October 25, 2021