Freile, Juan, Alejandro Solano-Ugalde, Dusan Brinkhuizen, Paul Greenfield, Mitch Lysinger, Jonas Nilsson, Lelis Navarrete, y Robert Ridgely. «FOURTH REPORT OF THE COMMITTEE FOR ECUADORIAN RECORDS IN ORNITHOLOGY (CERO) AND A REVISION OF UNDOCUMENTED AND ERRONEOUS RECORDS IN LITERATURE». Revista Ecuatoriana de Ornitología, no. 5 (enero 1, 2020): 52-79. Accedido noviembre 28, 2021. https://revistas.usfq.edu.ec/index.php/reo/article/view/1277.