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Freile, J.; Solano-Ugalde, A.; Brinkhuizen, D.; Greenfield, P.; Lysinger, M.; Nilsson, J.; Navarrete, L.; Ridgely, R. FOURTH REPORT OF THE COMMITTEE FOR ECUADORIAN RECORDS IN ORNITHOLOGY (CERO) AND A REVISION OF UNDOCUMENTED AND ERRONEOUS RECORDS IN LITERATURE. Rev. Ecuatoriana Orn. 2020, 52-79.