Pteridine, not carotenoid, pigments underlie the female-specific orange ornament of striped plateau lizards (Sceloporus virgatus).

@article{Weiss2012PteridineNC,
  title={Pteridine, not carotenoid, pigments underlie the female-specific orange ornament of striped plateau lizards (Sceloporus virgatus).},
  author={Stacey L. Weiss and Katharina Foerster and J. Daniel Hudon},
  journal={Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology},
  year={2012},
  volume={161 2},
  pages={117-23}
}
Indicator models of sexual selection suggest that signal honesty is maintained via costs of ornament expression. Carotenoid-based visual signals are a well-studied example, as carotenoids may be environmentally limited and impact signaler health. However, not all bright yellow, orange and red ornaments found in vertebrates are carotenoid-based; pteridine pigments may also produce these colors. We examine the contribution of carotenoid and pteridine pigments to the orange reproductive color of… CONTINUE READING

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