Please use this identifier to cite or link to this item: https://une.intersearch.com.au/unejspui/handle/1959.11/3043
Title: Hibernation: Endotherms
Contributor(s): Geiser, Fritz (author)orcid 
Publication Date: 2001
DOI: 10.1038/npg.els.0003215
Handle Link: https://hdl.handle.net/1959.11/3043
Abstract: The main function of hibernation and daily torpor in mammals and birds is to conserve energy and thus survive during adverse environmental conditions or periods of food shortage no matter if they live in the arctic or the tropics... Endothermic mammals and birds differ from ectothermic organisms primarily in their ability to regulate body temperature by high internal heat production via combustion of fuels. Because the surface area/volume ratio of animals increases with decreasing size, many small endotherms must produce an enormous amount of heat to compensate for heat loss during cold exposure. Obviously, prolonged periods of such high metabolic heat production can only be sustained by high food intake and, during adverse environmental conditions and/or food shortages, costs for thermoregulation may be prohibitively high.
Publication Type: Entry In Reference Work
Source of Publication: Encyclopedia of life sciences, p. 1-8
Publisher: John Wiley & Sons
Place of Publication: London, UK
ISBN: 0333726219
Field of Research (FOR): 060801 Animal Behaviour
Other Links: http://www.une.edu.au/esnrm/pdf/fritz%20geiser/HibernationEndothermsELS01.pdf
http://nla.gov.au/anbd.bib-an22668907
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Appears in Collections:Entry In Reference Work
School of Environmental and Rural Science

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