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Type of activity, exhibited by animals exposed to adverse stimuli, in which the tendency to flee or to act defensively is stronger than the tendency to attack. Vision is the sense that most often produces avoidance behaviour (e.g., small birds react to the sight of an owl), but sound (e.g., a warning cry) may do so as well.
This entry comes from Encyclopædia Britannica Concise. For the full entry on avoidance behaviour, visit Britannica.com.
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