Document Detail


Intra-individual variation in the vocalized frequency of the Taiwanese leaf-nosed bat, Hipposideros terasensis, influenced by conspecific colony members.
MedLine Citation:
PMID:  16538514     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We examined the intra-individual variation in resting frequency of the constant-frequency component of the second harmonic of the pulse (F (rest)) over 4 years in a laboratory colony of the Taiwanese leaf-nosed bat (Hipposideros terasensis). Patterns of change in F (rest) were observed when individuals were added to or removed from the colony so that we investigated whether F (rest) was affected by neighboring colony members. F (rest) of each bat continually showed a long-term gradual change throughout the year, and all bats in the colony increased or decreased their F (rest) in the same direction as a group non-seasonally. The greatest short-term changes were observed when new bats with a relatively low F (rest) joined the colony and F (rest) of new bats converged with those of the original colony members around 8 -16 days after their introduction. Conversely, a single individual showed sudden short-term decrease in F (rest) after its isolation from other colony members. These findings strongly indicate that F (rest) is flexible according to the presence of neighboring conspecific bats. We suggest that the audio-vocal feedback for conspecific pulses appears to be involved in the short- or long-term intra-individual variation in F (rest) other than factors previously thought such as age or season.
Authors:
Shizuko Hiryu; Koji Katsura; Tsuyoshi Nagato; Hideo Yamazaki; Liang-Kong Lin; Yoshiaki Watanabe; Hiroshi Riquimaroux
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-03-15
Journal Detail:
Title:  Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology     Volume:  192     ISSN:  0340-7594     ISO Abbreviation:  J. Comp. Physiol. A Neuroethol. Sens. Neural. Behav. Physiol.     Publication Date:  2006 Aug 
Date Detail:
Created Date:  2006-07-24     Completed Date:  2006-09-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  101141792     Medline TA:  J Comp Physiol A Neuroethol Sens Neural Behav Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  807-15     Citation Subset:  IM    
Affiliation:
Department of Electrical Engineering, Doshisha University, 610-0321 Kyotanabe, Japan. ZXH03766@nifty.ne.jp
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Physiological / physiology*
Animals
Behavior, Animal
Chiroptera / physiology*
Echolocation / physiology*
Flight, Animal
Interpersonal Relations*
Social Isolation
Telemetry
Vocalization, Animal / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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