Egg incubation temperature affects male reproductive success but not display behaviors in lizards

Daniel A. Warner, Kevin L. Woo, Daniel A. van Dyk, Christopher S. Evans, Richard Shine

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The complex ritualized displays of males in many territorial species suggest that selection has shaped male behaviors in ways that affect fitness. In this study, we evaluated the link between display behavior during male-male interactions and reproductive success in the Australian jacky dragon (Amphibolurus muricatus), a lizard species that uses a complex series of movement patterns for communication. We quantified variation in male display behaviors by using video playback experiments in the laboratory, and subsequently assessed variation in male reproductive success by paternity analyses of offspring. Because the lizards used in this study came from eggs incubated under three thermal environments, we also could evaluate the impact of developmental temperature on adult behavior and reproductive success. Incubation temperature had a strong effect on male reproductive success; males produced under intermediate temperatures sired more offspring than those produced under extreme developmental temperatures. However, incubation temperature did not affect male display behavior, nor was male behavior associated with reproductive success. Our findings do not support the common assumption that display behaviors used during male-male interactions affect reproductive success.

LanguageEnglish
Pages803-813
Number of pages11
JournalBehavioral Ecology and Sociobiology
Volume64
Issue number5
DOIs
Publication statusPublished - Apr 2010

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display behavior
egg incubation
lizard
reproductive success
lizards
incubation
egg
male behavior
temperature
paternity
fitness
communication
animal communication

Keywords

  • Aggressive behavior
  • Amphibolurus muricatus
  • Selection gradient
  • Submissive behavior
  • Temperature-dependent sex determination
  • Video playback experiment

Cite this

Warner, Daniel A. ; Woo, Kevin L. ; van Dyk, Daniel A. ; Evans, Christopher S. ; Shine, Richard. / Egg incubation temperature affects male reproductive success but not display behaviors in lizards. In: Behavioral Ecology and Sociobiology. 2010 ; Vol. 64, No. 5. pp. 803-813.
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Egg incubation temperature affects male reproductive success but not display behaviors in lizards. / Warner, Daniel A.; Woo, Kevin L.; van Dyk, Daniel A.; Evans, Christopher S.; Shine, Richard.

In: Behavioral Ecology and Sociobiology, Vol. 64, No. 5, 04.2010, p. 803-813.

Research output: Contribution to journalArticleResearchpeer-review

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