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Contact: Diana Yates
University of Illinois at Urbana-Champaign

Threespined Stickleback

Caption: The male, threespined stickleback defends its nest against invaders. Researchers tracked changes in gene activity in its brain after it encountered another male near its nest.

Credit: Katie McGhee

Usage Restrictions: Photo may be used only to accompany stories about the research described in this release. Please credit: Katie McGhee.

Related news release: Study Tracks Brain Gene Response to Territorial Aggression

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