Freile, J.; Olmstead, S.; Athanas, N.; Brinkhuizen, D.; Navarrete, L.; Nilsson, J.; Sánchez-Nivicela, M.; Solano-Ugalde, A.; Greenfield, P. FIFTH REPORT OF THE COMMITTEE FOR ECUADORIAN RECORDS IN ORNITHOLOGY (CERO), WITH COMMENTS ON SOME PUBLISHED, UNDOCUMENTED RECORDS. Rev. Ecuatoriana Ornitología 2020, No. 6, 103-133. https://doi.org/10.18272/reo.vi6.1990.