2006
DOI: 10.1139/z06-181
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Influence of female-biased sexual size dimorphism on dominance of female Townsend’s chipmunks

Abstract: Female-biased sexual size dimorphism (SSD), a condition common in North American chipmunks, occurs when females are larger than males in a species. We examined the influence of body size on dominance of captive female Townsend's chipmunks (Tamias townsendii Bachman, 1839), a species that exhibits female-biased SSD, in all-female and mixed-sex dyadic encounters. In all-female dyads, large female chipmunks were more frequently dominant over small female opponents. In mixed-sex dyads, large females were always do… Show more

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Cited by 3 publications
(2 citation statements)
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References 25 publications
(37 reference statements)
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“…In polygynous and promiscuous species, intersexual differences in home range size may be due to different strategies concerning these limiting resources (Edelman and Koprowski 2006). During the reproductive period of Siberian chipmunks, the principal limiting resources are food for females and estrous females for males (i.e., females are receptive only 1 day per reproductive period; Kawamichi and Kawamichi 1993).…”
Section: Discussionmentioning
confidence: 99%
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“…In polygynous and promiscuous species, intersexual differences in home range size may be due to different strategies concerning these limiting resources (Edelman and Koprowski 2006). During the reproductive period of Siberian chipmunks, the principal limiting resources are food for females and estrous females for males (i.e., females are receptive only 1 day per reproductive period; Kawamichi and Kawamichi 1993).…”
Section: Discussionmentioning
confidence: 99%
“…Food quality, predation avoidance, and burrow or refuge availability can affect the home range size of sciurids (Edelman and Koprowski 2006;Harestad and Bunnel 1979;Lacher and Mares 1996;Mares et al 1976;Martinsen 1968;Wauters and Dhonts 1992). The home range size of squirrel species can also vary with density (Forsyth and Smith 1973;Lurz et al 2000).…”
Section: Discussionmentioning
confidence: 99%