Figure 7

Principal component analysis plots of (A) songs [9 parameters] and (B) calls [19 parameters] of the Lesser Sundaic Phylloscopus leaf warblers. Ellipses represent 95% confidence intervals of each taxon.

Principal component analysis plots of (A) songs [9 parameters] and (B) calls [19 parameters] of the Lesser Sundaic Phylloscopus leaf warblers. Ellipses represent 95% confidence intervals of each taxon.