Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/2635
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dc.contributor.authorDoucette, Lisaen
dc.contributor.authorGeiser, Fritzen
dc.contributor.authorBrigham, Marken
dc.contributor.authorPavey, Chrisen
dc.date.accessioned2009-10-22T09:02:00Z-
dc.date.created2007en
dc.date.issued2008-
dc.identifier.urihttps://hdl.handle.net/1959.11/2635-
dc.description.abstractThe Australian owlet-nightjar ('Aegothelidae cristatus') is a sedentary, nocturnal, avian insectivore that uses a variety of adaptations to balance its energy budget. This has enabled this species to successfully inhabit diverse habitats throughout Australia. Owlet-nightjars are Caprimulgiformes, a group that typically have low metabolic rates and are capable of entering torpor to conserve energy. However, unlike many species of Caprimulgiformes, owlet-nightjars do not migrate and therefore must cope metabolically and behaviourally with seasonal variations in ambient temperature (Ta) and food resources. They are also unique amongst the Caprimulgiformes in that they are obligate cavity users year-round. I studied the behavioural and physiological qualities that enable this species to subsist in two dissimilar habitats, the semi-arid desert of central Australia and the comparatively cold, mesic, eucalypt woodlands atop the Northern Tablelands of NSW. I used radiotelemetry to locate diurnal roost sites, to track birds to determine home range, and to quantify body temperature (Tb) fluctuations in relation to roost and ambient thermal conditions. I compared characteristics of cavity roosts with randomly selected unoccupied cavities and used an information theoretic approach to assess variables which may be important for roost selection. Faecal samples collected from birds and cavity roosts at both locations were used to compare the diet and inferred foraging tactics between the two habitats in relation to arthropod availability. Finally, I measured the metabolic rate and thermal conductance of individual birds in the laboratory during both summer and winter using open-flow respirometry in the laboratory.en
dc.languageenen
dc.titleBehavioural ecology and thermal physiology of Australian Owlet-Nightjars ('Aegotheles cristatus')en
dc.typeThesis Doctoralen
dcterms.accessRightsUNE Greenen
local.contributor.firstnameLisaen
local.contributor.firstnameFritzen
local.contributor.firstnameMarken
local.contributor.firstnameChrisen
dcterms.RightsStatementCopyright 2007 - Lisa Irene Doucetteen
dc.date.conferred2008en
local.thesis.degreelevelDoctoralen
local.thesis.degreenameDoctor of Philosophyen
local.contributor.grantorUniversity of New Englanden
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailldoucett@une.edu.auen
local.profile.emailfgeiser@une.edu.auen
local.output.categoryT2en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordvtls086377242en
local.access.fulltextYesen
local.contributor.lastnameDoucetteen
local.contributor.lastnameGeiseren
local.contributor.lastnameBrighamen
local.contributor.lastnamePaveyen
dc.identifier.staffune-id:ldoucetten
dc.identifier.staffune-id:fgeiseren
local.profile.orcid0000-0001-7621-5049en
local.profile.roleauthoren
local.profile.rolesupervisoren
local.profile.rolesupervisoren
local.profile.rolesupervisoren
local.identifier.unepublicationidune:2709en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleBehavioural ecology and thermal physiology of Australian Owlet-Nightjars ('Aegotheles cristatus')en
local.output.categorydescriptionT2 Thesis - Doctorate by Researchen
local.thesis.borndigitalnoen
local.search.authorDoucette, Lisaen
local.search.supervisorGeiser, Fritzen
local.search.supervisorBrigham, Marken
local.search.supervisorPavey, Chrisen
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/f9f375fd-0384-4942-aef6-5b08719c6141en
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/4c0abd81-b27b-4bc0-9f00-6f24a37977b8en
local.uneassociationYesen
local.year.conferred2008en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/4c0abd81-b27b-4bc0-9f00-6f24a37977b8en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/f9f375fd-0384-4942-aef6-5b08719c6141en
Appears in Collections:Thesis Doctoral
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