NDLI: Improved walnut-feeding skills with experience in wood mice, Apodemus speciosus

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Improved walnut-feeding skills with experience in wood mice, Apodemus speciosus

Content Provider	Springer Nature Link
Author	Takechi, Reina Tamura, riko Hayashi, Fumio
Copyright Year	2008
Abstract	The wood mouse Apodemus speciosus can consume the hard-walled walnut species Juglans ailanthifolia. The mice gnaw holes on two sides of the shell and then pick the meat from the holes. However, not all mice are able to eat these walnuts, because the shells are extremely hard and the process is labour-intensive. To consume all of the meat it is more efficient to eat from holes on the raphe than to attempt to eat from other parts of the shell. We examined the effect of experience on the walnut-feeding skills of mice in the field. Feeding behaviours were compared among mice from habitats with and without walnut trees. Mice from habitats with walnut trees tended to consume nuts more efficiently than mice from habitats without walnut trees. We also observed the feeding behaviour of mice in an experimental area into which walnuts were artificially placed over a period of one year. This manipulation increased the proportion of mice that were able to eat nuts frequently and efficiently. Therefore, the walnut-feeding skills of mice improved with experience. Because individual mice acquired efficient feeding during the 14-day period of walnut conditioning, trial-and-error learning may be an important mechanism contributing to this behaviour.
Starting Page	83
Ending Page	89
Page Count	7
File Format	PDF
ISSN	02890771
Journal	Journal of Ethology
Volume Number	27
Issue Number	1
e-ISSN	14395444
Language	English
Publisher	Springer Japan
Publisher Date	2008-03-22
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Effects of food supply Feeding manner Food value Learning Seed predator Training Neurosciences Evolutionary Biology Animal Ecology Behavioural Sciences Zoology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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