Figure 3.

Diagram of proposed mechanisms

Proposed mechanistic links between male tactics and reproductive success. Solid arrows indicate links supported by the current analysis, and numbers on arrows indicate links established in other research in Gombe. (1) Bray et al. (2016) reported that strong bonds with alpha males predicted mating success; (2) Gilby et al. (2013) reported that betweenness centrality in the coalition network predicted rank increase and siring success; (3) Bray et al. (in press) reported that males with more strong association ties showed later increases in rank score. Asterisk (∗) indicates that the current study found evidence that rank improved siring success only for alpha males, although other studies in Gombe and other sites have documented higher reproductive success for high-ranking males beyond the alpha position (see main text).