↑Gill, Frank; Donsker, David, ред. (2022). Owls. World Bird List Version 12.2. International Ornithologists' Union. Процитовано 28 листопада 2022.
↑Gwee, Chyi Yin; Christidis, Leslie; Eaton, James A.; Norman, Janette A.; Trainor, Colin R.; Verbelen, Phillippe; Rheindt, Frank E. (2017). Bioacoustic and multi-locus DNA data of Ninox owls support high incidence of extinction and recolonisation on small, low-lying islands across Wallacea. Molecular Phylogenetics and Evolution. 109: 246—58. doi:10.1016/j.ympev.2016.12.024. PMID28017857.