Figure 4From: Vocal communication in a complex multi-level society: constrained acoustic structure and flexible call usage in Guinea baboonsDifferences of (a) fundamental frequency (F0) and (b) call noisiness (Noise) between the social contexts. Statistical significant differences (LSD Post-hoc test) only occurred between Greeting- and Infant handling/Affiliation context, but no differences were found between Infant handling and Affiliation. Vertical lines represent standard deviation. ** indicates statistical significance, p < 0.01 (p values were adjusted by using Simes correction for multiple testing).Back to article page