Document Detail

Energetic expenditure during vocalization in pups of the subterranean rodent Ctenomys talarum.
MedLine Citation:
PMID:  15452698     Owner:  NLM     Status:  MEDLINE    
Theoretical signaling models predict that to be honest, begging vocalizations must be costly. To test this hypothesis, oxygen consumption was measured during resting and begging (i.e., vocalizing) activities in pups of the subterranean rodent Ctenomys talarum by means of open-flow respirometry. No statistical differences in individual oxygen consumption between resting and calling pups ranging in age from day 2 to day 20 were found. Given these data, begging calls of C. talarum could not be considered as honest advertisements of offspring need, contrary to what suggested by the behavioral observations of the mother and pups during the nestling period.
Cristian Eric Schleich; Cristina Busch
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2004-09-25
Journal Detail:
Title:  Die Naturwissenschaften     Volume:  91     ISSN:  0028-1042     ISO Abbreviation:  Naturwissenschaften     Publication Date:  2004 Nov 
Date Detail:
Created Date:  2004-11-19     Completed Date:  2005-03-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0400767     Medline TA:  Naturwissenschaften     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  548-51     Citation Subset:  IM    
Departamento de Biología, CC 1245, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3250, 7600 Mar del Plata, Argentina.
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MeSH Terms
Basal Metabolism
Behavior, Animal
Energy Metabolism
Oxygen Consumption
Rodentia / growth & development,  physiology*
Vocalization, Animal / physiology*

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