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 Orn. 2020, 103-133.