Document Detail


Navigation in wood ants Formica japonica: context dependent use of landmarks.
MedLine Citation:
PMID:  15326219     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Wood ants Formica japonica can steer their outbound (foraging) and inbound (homing) courses without using celestial compass information, by relying exclusively on landmark cues. This is shown by training ants to run back and forth between the nest and an artificial feeder, and later displacing the trained ants either from the nest (when starting their foraging runs: outbound full-vector ants) or from the feeder (when starting their home runs: inbound full-vector ants) to various nearby release sites. In addition, ants that have already completed their foraging and homing runs are displaced after arrival either at the feeder (outbound zero-vector ants) or at the nest (inbound zero-vector ants), respectively, to the very same release sites. Upon release, the full-vector ants steer their straight courses by referring to panoramic landmark cues, while the zero-vector ants presented with the very same visual scenery immediately search for local landmark cues defining their final goal. Hence, it depends on the context, in this case on the state of the forager's round-trip cycle, what visual cues are picked out from a given set of landmarks and used for navigation.
Authors:
Tsukasa Fukushi; Rüdiger Wehner
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of experimental biology     Volume:  207     ISSN:  0022-0949     ISO Abbreviation:  J. Exp. Biol.     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-08-24     Completed Date:  2004-12-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0243705     Medline TA:  J Exp Biol     Country:  England    
Other Details:
Languages:  eng     Pagination:  3431-9     Citation Subset:  IM    
Affiliation:
Department of Biology, Miyagi University of Education, Aramaki-aza-Aoba, Aoba-ku, Sendai 980-0845, Japan. t-fuku@staff.miyakyo-u.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Animals
Ants / physiology*
Cues*
Environment*
Feeding Behavior / physiology
Homing Behavior / physiology*
Memory / physiology
Orientation / physiology*

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


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