Show simple item record

dc.contributor.authorEllis, William A.
dc.contributor.authorFitzGibbon, Sean
dc.contributor.authorPye, Geoffrey W.
dc.contributor.authorWhipple, Bill
dc.contributor.authorBarth, Ben
dc.contributor.authorJohnston, Stephen
dc.contributor.authorSeddon, Jenny
dc.contributor.authorMelzer, Alistair
dc.contributor.authorHiggins, Damien
dc.contributor.authorBercovitch, Fred B.
dc.date.accessioned2020-06-29T18:13:14Z
dc.date.available2020-06-29T18:13:14Z
dc.date.issued2015
dc.identifier.issn1932-6203
dc.identifier.doi10.1371/journal.pone.0130657
dc.identifier.urihttp://hdl.handle.net/20.500.12634/468
dc.description.abstractDespite being a charismatic and well-known species, the social system of the koala (Phascolarctos cinereus—the only extant member of the family Phascolarctidae) is poorly known and much of the koala’s sociality and mating behaviors remain un-quantified. We evaluated these using proximity logging-GPS enabled tracking collars on wild koalas and discuss their implications for the mating system of this species. The frequency and duration of male-female encounters increased during the breeding season, with male-male encounters quite uncommon, suggesting little direct mating competition. By comparison, female-female interactions were very common across both seasons. Body mass of males was not correlated with their interactions with females during the breeding season, although male size is associated with a variety of acoustic parameters indicating individuality. We hypothesise that vocal advertising reduces the likelihood of male-male encounters in the breeding season while increasing the rate of male-female encounters. We suggest that male mating-season bellows function to reduce physical confrontations with other males allowing them to space themselves apart, while, at the same time, attracting females. We conclude that indirect male-male competition, female mate choice, and possibly female competition, mediate sexual selection in koalas.
dc.language.isoen
dc.relation.urlhttp://journals.plos.org/plosone/article?id=10.1371/journal.pone.0130657
dc.rightsCopyright: © 2015 Ellis et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectKOALAS
dc.subjectSOCIAL BEHAVIOR
dc.subjectBIOACOUSTICS
dc.subjectREPRODUCTION
dc.subjectSEXUAL BEHAVIOR
dc.subjectVOCALIZATIONS
dc.subjectTECHNOLOGICAL INNOVATIONS
dc.subjectTRACKING
dc.subjectAUSTRALIA
dc.titleThe role of bioacoustic signals in koala sexual selection: Insights from seasonal patterns of associations revealed with GPS-proximity units
dc.typeArticle
dc.source.journaltitlePLOS ONE
dc.source.volume10
dc.source.issue7
dc.source.beginpagee0130657
html.description.abstractDespite being a charismatic and well-known species, the social system of the koala (Phascolarctos cinereus—the only extant member of the family Phascolarctidae) is poorly known and much of the koala’s sociality and mating behaviors remain un-quantified. We evaluated these using proximity logging-GPS enabled tracking collars on wild koalas and discuss their implications for the mating system of this species. The frequency and duration of male-female encounters increased during the breeding season, with male-male encounters quite uncommon, suggesting little direct mating competition. By comparison, female-female interactions were very common across both seasons. Body mass of males was not correlated with their interactions with females during the breeding season, although male size is associated with a variety of acoustic parameters indicating individuality. We hypothesise that vocal advertising reduces the likelihood of male-male encounters in the breeding season while increasing the rate of male-female encounters. We suggest that male mating-season bellows function to reduce physical confrontations with other males allowing them to space themselves apart, while, at the same time, attracting females. We conclude that indirect male-male competition, female mate choice, and possibly female competition, mediate sexual selection in koalas.


This item appears in the following Collection(s)

  • SDZWA Research Publications
    Peer reviewed and scientific works by San Diego Zoo Wildlife Alliance staff. Includes books, book sections, articles and conference publications and presentations.

Show simple item record

Copyright: © 2015 Ellis et al. This is an open access
article distributed under the terms of the Creative
Commons Attribution License, which permits
unrestricted use, distribution, and reproduction in any
medium, provided the original author and source are
credited.
Except where otherwise noted, this item's license is described as Copyright: © 2015 Ellis et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.