Using spectral data to reconstruct evolutionary changes in coloration: carotenoid color evolution in New World orioles.

@article{Hofmann2006UsingSD,
  title={Using spectral data to reconstruct evolutionary changes in coloration: carotenoid color evolution in New World orioles.},
  author={Christopher M. Hofmann and Thomas W. Cronin and Kevin E. Omland},
  journal={Evolution; international journal of organic evolution},
  year={2006},
  volume={60 8},
  pages={1680-91}
}
Carotenoid-based colors are thought to play an important signaling role in many animal taxa. However, little is known about evolutionary changes in carotenoid coloration, especially among closely related species. We used a phylogenetic perspective to examine carotenoid color changes within New World orioles (genus Icterus). Oriole color was quantitatively measured using reflectance spectrometry. We found continuous variation from short- to long-wavelength carotenoid colors in extant orioles… CONTINUE READING

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