Data from: Repeated evolution of exaggerated dewlaps and other throat morphology in lizards

Terry J. Ord, Danielle A. Klomp, Joan Garcia-Porta & Mattias Hagman
The existence of elaborate ornamental structures in males is often assumed to reflect the outcome of female mate choice for showy males. However, female mate choice appears weak in many iguanian lizards, but males still exhibit an array of ornament-like structures around the throat. We performed a phylogenetic comparative study to assess whether these structures have originated in response to male-male competition or the need for improved signal efficiency in visually difficult environments. We found...
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