Testing the quality of a carrier: a field experiment on lizard signalers.

  title={Testing the quality of a carrier: a field experiment on lizard signalers.},
  author={Mats Olsson and M. V. Healey and Erik Wapstra and Tobias M Uller},
  journal={Evolution; international journal of organic evolution},
  volume={63 3},
In the Australian painted dragon lizard (Ctenophorus pictus), males occur in two different morphs with respect to gular color, with or without a yellow bib. Males without a bib lost within-clutch paternity significantly more often to rivals than bibbed males. Thus, it appears that bibs identify some phenotypic advantage linked to competitive ability. To test whether this could be related to whole-organism capacity to withstand an increased workload (due to better health and vigor, or evolved… CONTINUE READING
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