Melanin-Based Iridescent Feather Color in the Jungle Crow

DOI Web Site 参考文献11件
  • LEE Eunok
    Laboratory of Function and Morphology, Department of Animal Science, Faculty of Agriculture, Utsunomiya University United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology
  • TANAKA Hideyuki
    Applied Biochemical Science, Faculty of Agriculture, Utsunomiya University
  • WAKAMATSU Kazumasa
    Department of Chemistry, Fujita Health University School of Health Sciences
  • SUGITA Shoei
    Laboratory of Function and Morphology, Department of Animal Science, Faculty of Agriculture, Utsunomiya University

抄録

Sexual differences in Japanese Jungle Crows (Corvus macrorhynchos) are not obvious because both sexes have black plumage. However, closer examination reveals that their plumage color is not only black; it is also iridescent color. Furthermore, the iridescence is more pronounced in adult males than that in females. The iridescence seems to be related to the density and concentration of melanin granules. The density of melanin granule and the concentration of eumelanin in feathers were significantly higher in males than that in females (P<0.01). However, the amount of pheomelanin was below the detection limits in this study.<br>

収録刊行物

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