Hidden carotenoids in the powder down of herons

  title={Hidden carotenoids in the powder down of herons},
  author={Daniel B. Thomas and Kevin J. Mcgraw},
  journal={Journal of Ornithology},
Vivid plumage colors are some of the best examples of elaborate trait evolution resulting from sexual selection. Bird feathers often contain high concentrations of pigment or intricate microstructures for reflecting light at distal feather tips, in order to maximize color presentation to intended viewers (e.g., prospective mates, rivals). However, here we… CONTINUE READING

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