Walther, B. (2020). Spotted Tody-Flycatcher (Todirostrum maculatum), 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.sptfly1.01 retrieved February 20, 2025