Atwood, J. L., S. B. Lerman, and G. M. Kirwan (2020). Cuban Gnatcatcher (Polioptila lembeyei), 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.cubgna1.01 retrieved May 28, 2021