Show simple item record

Victims of infanticide and conspecific bite wounding in a female-dominant primate: a long-term study.

dc.contributor.author Charpentier, Marie JE
dc.contributor.author Drea, Christine M
dc.coverage.spatial United States
dc.date.accessioned 2014-01-06T18:55:02Z
dc.date.issued 2013
dc.identifier http://www.ncbi.nlm.nih.gov/pubmed/24367560
dc.identifier PONE-D-13-24700
dc.identifier.uri https://hdl.handle.net/10161/8294
dc.description.abstract The aggression animals receive from conspecifics varies between individuals across their lifetime. As poignantly evidenced by infanticide, for example, aggression can have dramatic fitness consequences. Nevertheless, we understand little about the sources of variation in received aggression, particularly in females. Using a female-dominant species renowned for aggressivity in both sexes, we tested for potential social, demographic, and genetic patterns in the frequency with which animals were wounded by conspecifics. Our study included 243 captive, ring-tailed lemurs (Lemur catta), followed from infancy to adulthood over a 35-year time span. We extracted injury, social, and life-history information from colony records and calculated neutral heterozygosity for a subset of animals, as an estimate of genetic diversity. Focusing on victims rather than aggressors, we used General Linear Models to explain bite-wound patterns at different life stages. In infancy, maternal age best predicted wounds received, as infants born to young mothers were the most frequent infanticide victims. In adulthood, sex best predicted wounds received, as males were three times more likely than females to be seriously injured. No relation emerged between wounds received and the other variables studied. Beyond the generally expected costs of adult male intrasexual aggression, we suggest possible additive costs associated with female-dominant societies - those suffered by young mothers engaged in aggressive disputes and those suffered by adult males aggressively targeted by both sexes. We propose that infanticide in lemurs may be a costly by-product of aggressively mediated, female social dominance. Accordingly, the benefits of female behavioral 'masculinization' accrued to females through priority of access to resources, may be partially offset by early costs in reproductive success. Understanding the factors that influence lifetime patterns of conspecific wounding is critical to evaluating the fitness costs associated with social living; however, these costs may vary substantially between societies.
dc.language eng
dc.publisher Public Library of Science (PLoS)
dc.relation.ispartof PLoS One
dc.relation.isversionof 10.1371/journal.pone.0082830
dc.subject Animals
dc.subject Behavior, Animal
dc.subject Bites and Stings
dc.subject Female
dc.subject Lemur
dc.subject Male
dc.title Victims of infanticide and conspecific bite wounding in a female-dominant primate: a long-term study.
dc.type Journal article
duke.contributor.id Drea, Christine M|0230541
pubs.author-url http://www.ncbi.nlm.nih.gov/pubmed/24367560
pubs.begin-page e82830
pubs.issue 12
pubs.organisational-group Duke
pubs.organisational-group Duke Institute for Brain Sciences
pubs.organisational-group Duke Science & Society
pubs.organisational-group Evolutionary Anthropology
pubs.organisational-group Initiatives
pubs.organisational-group Institutes and Provost's Academic Units
pubs.organisational-group Trinity College of Arts & Sciences
pubs.organisational-group University Institutes and Centers
pubs.publication-status Published online
pubs.volume 8
dc.identifier.eissn 1932-6203


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record