J. Freile et al., «FOURTH REPORT OF THE COMMITTEE FOR ECUADORIAN RECORDS IN ORNITHOLOGY (CERO) AND A REVISION OF UNDOCUMENTED AND ERRONEOUS RECORDS IN LITERATURE», Rev. Ecuatoriana Ornitología, n.º 5, pp. 52–79, ene. 2020, doi: 10.18272/reo.vi5.1277.