Sexual Dimorphisms in Aggressive Signal Structure and Use by a Polygynous Lizard , Anolis carolinensis

@inproceedings{Jenssen2001SexualDI,
  title={Sexual Dimorphisms in Aggressive Signal Structure and Use by a Polygynous Lizard , Anolis carolinensis},
  author={Thomas A. Jenssen and K S Orrell and Matthew B. Lovern},
  year={2001}
}
Unlike many polygynous species, we found that females of the lizard, Anolis carolinensis, have the same repertoire of aggressive signals as males. These shared signals included three stereotyped headbob display patterns (types A, B, and C) that were performed with no significant intersexual difference in amplitude displacement. However, we did find the following sexual dimorphisms in signal structure and use. Females (1) had a smaller average extendable throat fan (i.e., dewlap) area (0.22 cm2… CONTINUE READING

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