Maximum Metabolic Rate, Thermal Insulation and Aerobic Scope in a Small-Sized Chilean Hummingbird (Sephanoides sephanoides)

Our objective is to describe and compare the maximum and basal metabolic rates for thermoregulation, as well as the aerobic scope of the small-sized hummingbird Sephanoides sephanoides (sometimes referred to as S. galeritus) inhabiting the Mediterranean environments of central Chile. Also, the indir...

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Bibliographic Details
Published in:The Auk 1995-10, Vol.112 (4), p.1034-1036
Main Authors: López-Calleja, M. Victoria, Bozinovic, Francisco
Format: Article
Language:English
Subjects:
Ambient temperature
Animal physiology
Basal metabolism
Birds
Energy metabolism
Hummingbirds
Metabolism
Rodents
Short Communications and Commentaries
Thermoregulation
Torpor
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Summary:Our objective is to describe and compare the maximum and basal metabolic rates for thermoregulation, as well as the aerobic scope of the small-sized hummingbird Sephanoides sephanoides (sometimes referred to as S. galeritus) inhabiting the Mediterranean environments of central Chile. Also, the indirect estimation of the thermal role of feathers in a small species in reference to similar-sized endotherms was of basic interest.
ISSN:0004-8038
1938-4254
DOI:10.2307/4089034