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Table 2 List of vocal parameters identified as Isler diagnosable (denoted by ‘X’)

From: Species delimitation within the Glaucidium brodiei owlet complex using bioacoustic tools

  a b c d e f g h
sylvaticum vs borneense         
sylvaticum vs brodiei X X   X     
sylvaticum vs pardalotum X X     X   
borneense vs brodiei X X X      
borneense vs pardalotum X X       
brodiei vs pardalotum         
  1. The following parameters were assessed: (a) number of elements per motif, (b) duration of a motif, (c) lowest frequency, (d) highest frequency, (e) bandwidth, (f) first break length within a motif, (g) second break length within a motif, and (h) break length between motifs