NDLI: Thermal energetics of torpid silver-haired batsLasionycteris noctivagans

Content Provider	Springer Nature Link
Author	Dunbar, Miranda B.
Copyright Year	2007
Abstract	Heterothermic endotherms can reduce energy expenditure by using controlled reductions in various physiological processes, collectively called torpor. Torpor is an important mechanism which allows many small endotherms to survive seasonal periods of inactivity, but there are few data on metabolic rate during torpor (TMR) for small, tree-living bats during winter. Therefore, I report TMR of silver-haired batsLasionycteris noctivagans (LeConte, 1831) measured at various ambient temperatures (Ta). Bats were captured in October 2004 in southwestern Missouri, USA. NoL. noctivagans had been captured at this time in this area previously. Mean body mass of 3 individuals was 10.49 g±0.3 SE. TMR varied with Ta and mean TMR was lowest at 5°C at 0.363 ml O$_{2}$/h (2.03 mW). These data indicate that the TMR ofL. noctivagans is similar to another migratory, tree-roosting bat (the eastern red batLasiurus borealis; Müller, 1776), and suggest that Ta near 5°C is energetically optimal for hibernatingL. noctivagans in this area.
Starting Page	65
Ending Page	68
Page Count	4
File Format	PDF
ISSN	00017051
Journal	Acta Theriologica
Volume Number	52
Issue Number	1
e-ISSN	21903743
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	torpor metabolism hibernation winter thermoregulation hibernacula Zoology Animal Physiology Behavioural Sciences Animal Ecology Evolutionary Biology Animal Anatomy Morphology Histology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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