Spatial memory in a food storing corvid I. Near tall landmarks are primarily used

Bennett, A. T. D. 1993, Spatial memory in a food storing corvid I. Near tall landmarks are primarily used, Journal of comparative physiology a-sensory neural and behavioral physiology, vol. 173, no. 2, pp. 193-207.


Title Spatial memory in a food storing corvid I. Near tall landmarks are primarily used
Author(s) Bennett, A. T. D.
Journal name Journal of comparative physiology a-sensory neural and behavioral physiology
Volume number 173
Issue number 2
Start page 193
End page 207
Publisher Springer Berlin / Heidelberg
Place of publication Berlin, Germany
Publication date 1993-08
ISSN 0340-7594
1432-1351
Keyword(s) spatial memory
garrulus glandarius
corvids
food storing
landmarks
Summary This work suggests how food storing corvids use spatial memory to relocate caches, and how they can do this after some landmarks surrounding caches have become hidden due to leaf fall, snow fall or plant growth. Experiments involved training European jays (Garrulus glandarius) to find buried food, the location of which was specified by an array of 12 landmarks. Tests were then performed with the array rotated, or with certain landmarks removed from the array. The.main findings were: (1) birds primarily remembered the position of the goal using the near tall landmarks (15-30 cm from the goal and 20 cm high); (2) birds obtained a sense of direction both from the landmark array and something external to the array; (3) birds did not use smell or marks in the surface of the ground to find the goal. Memory of near tall landmarks is likely to be functional for these birds since (a) nearer landmarks provide a more accurate fix, and (b) taller landmarks are less likely to be completely obscured by snow fall, leaf fall or intervening vegetation. The work also demonstrates the use of G.I.S. software for the analysis and representation of animal search patterns.
Language eng
Field of Research 059999 Environmental Sciences not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©1993, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30022748

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