publication . Article . Other literature type . 2014

How acoustic signals scale with individual body size: common trends across diverse taxa

Rebecca J. Safran; Rafael L. Rodríguez; David A. Gray; Matthew R. Wilkins; Michael S. Reichert; Marcelo Araya-Salas; Gerlinde Höbel; Laurel B. Symes;
Open Access
  • Published: 03 Oct 2014 Journal: Behavioral Ecology, volume 26, issue 1, pages 168-177
We use allometric analysis to explore how acoustic signals scale on individual body size and to test hypotheses about the factors shaping relationships between signals and body size. Across case studies spanning birds, crickets, tree crickets, and tree frogs, we find that most signal traits had low coefficients of variation, shallow allometric scalings, and little dispersion around the allometric function. We relate variation in these measures to the shape of mate preferences and the level of condition dependence of signal traits. We find 3 major patterns: 1) signal traits associated with closed mate preferences had lower coefficients of variation and shallower ...
free text keywords: Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics, Allometry, Taxon, Ecology, Coefficient of variation, Trait expression, Statistics, Biology, Body size
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