Adaptations for caching and robbery in two sympatric chipmunks.

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dc.contributor.advisorDevenport, Lynn D.,en_US
dc.contributor.authorPenner, Jennifer L.en_US
dc.date.accessioned2013-08-16T12:19:52Z
dc.date.available2013-08-16T12:19:52Z
dc.date.issued2005en_US
dc.description.abstractWe captured least chipmunks (Tamias minimus) and eastern chipmunks (T. striatus) from co-existing populations and assessed their comparative success at heterospecific robbery in a naturalistic laboratory setting. The smaller species (T. minimus) found their competitors' caches quickly and with little effort. The value of pilfered caches for least chipmunks was magnified by their lower energetic demands and the bigger cache size of their larger competitor. We traced the comparative success of least chipmunks to searching tactics that targeted the vulnerabilities of eastern chipmunk caches, and a cache placement counter-strategy that protected their own food stores. We suggest that heterospecific robbery may be especially beneficial for T. minimus and other small mammals by allowing them to narrow the competitive gap they experience with larger competitors.en_US
dc.format.extentv, 79 leaves :en_US
dc.identifier.urihttp://hdl.handle.net/11244/894
dc.noteSource: Dissertation Abstracts International, Volume: 66-05, Section: B, page: 2459.en_US
dc.noteAdviser: Lynn D. Devenport.en_US
dc.subjectChipmunks.en_US
dc.subjectAnimals Food.en_US
dc.subjectAnimal behavior.en_US
dc.subjectBiology, Zoology.en_US
dc.thesis.degreePh.D.en_US
dc.thesis.degreeDisciplineDepartment of Psychologyen_US
dc.titleAdaptations for caching and robbery in two sympatric chipmunks.en_US
dc.typeThesisen_US
ou.groupCollege of Arts and Sciences::Department of Psychology
ou.identifier(UMI)AAI3174405en_US

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