Rando JC, Alcover JA, Olson SL, Pieper H. A new species of extinct scops owl (Aves: Strigiformes: Strigidae: Otus) from São Miguel Island (Azores Archipelago, North Atlantic Ocean). Zootaxa [Internet]. 2013 May 9 [cited 2025 May 2];3647(2):343–357. Available from: https://www.mapress.com/zt/article/view/zootaxa.3647.2.6