Fjeldså, J. and C. J. Sharpe (2020). Sincora Antwren (Formicivora grantsaui), 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.sinant1.01 retrieved February 24, 2024