The influence of age and experience with conspecifics on territorial behavior inDrosophila melanogaster |
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Authors: | Ary A. Hoffmann |
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Affiliation: | (1) Department of Genetics and Human Variation, La Trobe University, 3083 Bundoora, Victoria, Australia |
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Abstract: | Drosophila melanogastermales initiated aggressive behavior toward other males and defended territories several hours after they were able to court and mate females. Males that were 3 days or more posteclosion were more successful at holding territories than younger males. Three-day-old males established territories more readily and escalated more often against territory residents than males that were 1 day old. Residents did not usually force young males from territories until they were a few hours posteclosion. The development of territorial behavior was not affected by familiarity or prior exposure to females. Males held in isolation established territories more quickly and behaved more aggressively than males held in groups. Males that previously held territories were more likely to reestablish them after a disturbance. |
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Keywords: | Drosophila melanogaster territoriality age aggressive behavior experience |
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