Intraspecific variation of brain anatomy and drumming activity in ruffed grouse (Bonasa umbellus)

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dc.contributor.authorMartin, Michelle
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorIwaniuk, Andrew N.
dc.date.accessioned2021-09-10T14:23:00Z
dc.date.available2021-09-10T14:23:00Z
dc.date.issued2021
dc.degree.levelMastersen_US
dc.description.abstractThe ruffed grouse is a widespread species, but much of its basic biology has remained understudied. I examined individual variation in two understudied aspects of their biology: brain anatomy and drumming behaviour. Individual grouse varied greatly in neuron numbers, sizes and volumes of two brains regions, so much so that sampling <6 individuals could yield inaccurate measurements. Drumming activity was also highly variable both among and within individual males. Multivariate models indicated that daily drumming activity occurred during the same week across years and hourly drumming activity peaks one hour before sunrise and one hour before sunset. Warmer temperatures also were associated with increased drumming activity, but this was a relatively weak effect compared with day of the year and time of day. Overall, these results improve our understanding of individual variation in ruffed grouse and has important implications for future studies of ruffed grouse.en_US
dc.identifier.urihttps://hdl.handle.net/10133/6019
dc.language.isoen_USen_US
dc.proquest.subjectBiology [0306]en_US
dc.proquest.subjectMolecular biology [0307]en_US
dc.proquest.subjectNatural resource management [0528]en_US
dc.proquestyesYesen_US
dc.publisherLethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciencesen_US
dc.publisher.departmentDepartment of Biological Sciencesen_US
dc.publisher.facultyArts and Scienceen_US
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en_US
dc.subjectResearch Subject Categories::NATURAL SCIENCESen_US
dc.subjectNon-vocal Displayen_US
dc.subjectAnimal communicationen_US
dc.subjectBirds -- Behavioren_US
dc.subjectBirds -- North Americaen_US
dc.subjectDisplay behavior in animalsen_US
dc.subjectDissertations, Academicen_US
dc.subjectGrouseen_US
dc.subjectRuffed grouseen_US
dc.titleIntraspecific variation of brain anatomy and drumming activity in ruffed grouse (Bonasa umbellus)en_US
dc.typeThesisen_US
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