Carotenoid coloration in great black-backed gull Larus marinus reflects individual quality

  title={Carotenoid coloration in great black-backed gull Larus marinus reflects individual quality},
  author={Kai Ove Kristiansen and Jan Ove Bustnes and Ivar Folstad and Morten Helberg},
Carotenoids are a large group of biochemicals, with similar properties, synthesised by bacteria, fungi, algae and plants. Vertebrates obtain these biologically active pigments through the diet, and they are a disproportionately common component of animal colour signals and play important roles in immune functions and as antioxidants. Carotenoids are believed to be a limited resource and because of the trade-off between allocation of carotenoids to signals and to other functions, carotenoid… CONTINUE READING


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