Fig. 5.

Differences in the inhales per exhales ratio between calls uttered during copulations with high- and low-ranking males (a), the exhale duration between calls uttered when a female was and was not mate guarded (b), and the call duration (c) and the number of exhales per second (d) between calls uttered during copulation with and without ejaculation (median, first and third quartile). *P = 0.027, **P = 0.008, ***P = 0.027, ****P = 0.038