Oscillograms and spectrograms of 2-s sections of the song of O. bikegila sp. nov. (XC619448), O. hartlaubi (XC673669), O. senegalensis senegalensis (XC45502), O. senegalensis feae (XC340505), O. pembaensis (XC253581), O. pamelae (XC371431), O. scops (XC383983), O. cyprius (XC256102), O. brucei (XC158086), and O. ireneae (XC147630). Each section refers to an individual owl. For more information about the recordings used see Suppl. material 7. Codes from Xeno-canto.org database.

  Part of: Melo M, Freitas B, Verbelen P, da Costa SR, Pereira H, Fuchs J, Sangster G, Correia MN, de Lima RF, Crottini A (2022) A new species of scops-owl (Aves, Strigiformes, Strigidae, Otus) from Príncipe Island (Gulf of Guinea, Africa) and novel insights into the systematic affinities within Otus. ZooKeys 1126: 1-54. https://doi.org/10.3897/zookeys.1126.87635