Article
Signal diversification in Oecanthus tree crickets is shaped by energetic, morphometric, and acoustic trade-offs.
Evolution; international journal of organic evolution - 1 Jun 2015
Symes L B, Ayres M P, Cowdery C P, Costello R A
Abstract excerpt
Physiology, physics, and ecological interactions can generate trade-offs within species, but may also shape divergence among species. We tested whether signal divergence in Oecanthus tree crickets is shaped by acoustic, energetic, and behavioral trade-offs. We found that species with faster pulse rates, produced by opening and closing wings up to twice as many times per second, did not have higher metabolic costs...
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