Phylogenetic relationships among the crested gibbon species (A) and distribution of the six gibbon species based on the scores of the first and second discriminant function (B). In A, phylogenetic relationships are based on cytochrome b sequence data and are adapted from . In B, blue diamonds indicate population centroids.
Thinh et al. BMC Evolutionary Biology 2011 11:36 doi:10.1186/1471-2148-11-36