Separation of calls by patriline produced by components 1 and 2.A: advertisement calls, B: alarm calls. Only the advertisement calls showed statistically significant classification by patriline. See Table 1 and Additional file 1 for the quartiles of each acoustic parameter and their loadings on the components.
Kessler et al. BMC Ecology 2012 12:26 doi:10.1186/1472-6785-12-26