Data from: The influence of geographic heterogeneity in predation pressure on mating signal divergence in an Amazonian frog species complex

Paula A. Trillo, Keri A. Athanas, Daniel H. Goldhill, Kim L. Hoke & W. Chris. Funk
Sexual section plays an important role in mating signal divergence, but geographic variation in ecological factors can also contribute to divergent signal evolution. We tested the hypothesis that geographic heterogeneity in predation causes divergent selection on advertisement call complexity within the Engystomops petersi frog species complex. We conducted predator phonotaxis experiments at two sites where female choice is consistent with call trait divergence. Engystomops at one site produces complex calls, while the closely related species...
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