Figure 4

Bayesian standard ellipse areas (solid lines represent SEAc, standard ellipse areas adjusted for small sample sizes), containing c. 40% of data67 for Inia_spp (n = 10, black line), T_inung (n = 11, red line), Sgui_AE (n = 188, dark blue line), Sgui_NC (n = 32, green line) and Delph (n = 26, light blue line). Species drawings are not to scale.