Journal article
Individual variation in the social plasticity of water dragons
The American Naturalist, Vol.194(2), pp.194-206
2019
Abstract
Individuals should alter when they socially associate with conspecifics to avoid potentially costly interactions. Moreover, individuals may vary in their propensity to use information about conspecifics when making such social decisions. However, surprisingly little is known about either the determinants of, or individual variation in, such 'social plasticity'. We show here that eastern water dragons (Intellegama lesueurii lesueurii) may simultaneously use information from different components of their social environment when deciding whether or not to socially associate. In particular, we found that individuals altered when they socially associated with conspecifics according to the levels of potential conflict and competition in their social environment; both sexes socially associated more at higher local density than would be expected under increased random encounters. Further, females were more likely to socially associate during the breeding season, and when there were more males and/or conspecifics whom they typically avoided in their social environment. This suggests that females may seek safety in numbers when the potential for intrasexual conflict or sexual harassment is high. Using a behavioral reaction-norm framework, we also provide novel evidence to show that individuals vary in the extent and direction of their social plasticity, and that males varied more than females. Our study thus implies that individuals use multiple cues in their environment when deciding to socially associate, and that the resulting social plasticity varies between the sexes and between individuals.
Details
- Title
- Individual variation in the social plasticity of water dragons
- Authors
- Kasha Strickland (Author) - University of the Sunshine Coast - School of Science & EngineeringCeline H Frere (Author) - University of the Sunshine Coast - School of Science & Engineering
- Publication details
- The American Naturalist, Vol.194(2), pp.194-206
- Publisher
- University of Chicago Press
- Date published
- 2019
- DOI
- 10.1086/704089
- ISSN
- 0003-0147; 0003-0147
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99451449802621
- Output Type
- Journal article
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- Ecology
- Evolutionary Biology
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