Intraspecific Variation in the Information Content of an Ornament: Why Relative Dewlap Size Signals Bite Force in Some, But Not All Island Populations of Anolis sagrei.

doi:10.1093/icb/icy012

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Article

Intraspecific Variation in the Information Content of an Ornament: Why Relative Dewlap Size Signals Bite Force in Some, But Not All Island Populations of Anolis sagrei.

Integrative and comparative biology - 1 Jul 2018

Baeckens Simon, Driessens Tess, Huyghe Katleen, Vanhooydonck Bieke, Van Damme Raoul

Abstract excerpt

In many animals, male secondary sexual traits advertise reliable information on fighting capacity in a male-male context. The iconic sexual signaling device of anole lizards, the dewlap, has been extensively studied in this respect. For several territorial anole species (experiencing strong intrasexual selection), there is evidence for a positive association between dewlap size and bite capacity, which is an...

Topics

Animal Communication
Animals
Bite Force
Color
Islands
Lizards
Male
Phenotype
Sex Characteristics
West Indies

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Open in PubMed

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PMID: 29697838
DOI: 10.1093/icb/icy012

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