Silva, Robson Silva e. “Records and Geographical Distribution of the Peregrine Falcon Falco Peregrinus Tunstall, 1771 (Ayes, Falconidae) in Brazil”. Papéis Avulsos De Zoologia, vol. 39, Feb. 1994, pp. 249-70, https://doi.org/10.11606/0031-1049.1994.39.p249-270.