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Parasites as a Viability Cost of Sexual Selection in Natural Populations of Mammals
Abstract
Sexual selection in mammals has resulted in the evolution of sexual size dimorphism (SSD), with males usually being the larger sex. Comparative analyses indicate that the evolution of SSD is associated with the evolution of male-biased mortality, suggesting a possible causal link between the two. Here, we use a comparative approach to investigate the possible role of parasites in generating this relation. We show that there is a robust association between male-biased parasitism and the degree of sexual selection, as measured by mating system (monogamous or polygynous) and by the degree of SSD. There is also a positive correlation, across taxa, between male-biased mortality and male-biased parasitism. These results are consistent with the hypothesis that parasites contribute to the observed association between SSD and male-biased mortality.
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Cites
Parasites, Bright Males, and the Immunocompetence Handicap
Folstad, I., & Karter, A. J. (1992) · The American Naturalist · doi:10.1086/285346 · Cited by 2,799
Hormones and Mating System Affect Sex and Species Differences in Immune Function among Vertebrates
Klein, S. L. (2000) · Behavioural Processes · doi:10.1016/s0376-6357(00)00125-x · Cited by 209
Cited by
Does sexual selection explain human sex differences in aggression?
Archer, J. (2009) · Behavioral and Brain Sciences · doi:10.1017/s0140525x09990951 · Cited by 607
Testosterone-mediated immune functions and male life histories
Muehlenbein, M. P., & Bribiescas, R. G. (2005) · American Journal of Human Biology · doi:10.1002/ajhb.20419 · Cited by 448
Lassek, W. D., & Gaulin, S. J. C. (2009) · Evolution and Human Behavior · doi:10.1016/j.evolhumbehav.2009.04.002 · Cited by 397
Hawley, D. M., & Altizer, S. M. (2011) · Functional Ecology · doi:10.1111/j.1365-2435.2010.01753.x · Cited by 355
Boyer, N., Réale, D., Marmet, J., Pisanu, B., & Chapuis, J. (2010) · Journal of Animal Ecology · doi:10.1111/j.1365-2656.2010.01659.x · Cited by 266
Metadata
- Authors
- Moore, S. L., & Wilson, K.
- Venue
- Science
- Published
- 2002-09-20
- Volume
- 297
- Issue
- 5589
- Pages
- 2015-2018
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1970848609
- Cited by
- 644
- References
- 2
- FWCI
- 34.84
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
