Fig. 3From: Taxonomy of the White-browed Shortwing (Brachypteryx montana) complex on mainland Asia and Taiwan: an integrative approach supports recognition of three instead of one speciesPrincipal components analysis (PCA) of 17 external measurements of Brachypteryx montana cruralis (circles), B. m. goodfellowi (triangles), and B. m. sinensis (squares). Individual factor scores for males shown as black symbols, with those for females whiteBack to article page