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Pre-emptive behaviour in a landscape of intergroup conflict
Josh J Arbon1, Andrew N Radford2
1School of Biological Sciences, University of Bristol, Bristol, UK; Department of Zoology, University of Cambridge, Cambridge, UK.
Trends in Ecology & Evolution
|July 16, 2026
Summary
Animals adjust their behavior before potential conflicts, changing how they gather information and interact within groups. This pre-emptive strategy helps them navigate the
Area of Science:
- Behavioral Ecology
- Evolutionary Biology
- Animal Behavior
Background:
- Intergroup conflict is a significant evolutionary pressure across the animal kingdom.
- Previous research primarily focused on behaviors during and after conflicts.
- Animals display behavioral flexibility in anticipation of potential intergroup encounters.
Purpose of the Study:
- To synthesize findings on pre-emptive behaviors in social species facing intergroup conflict.
- To describe how animals adjust behaviors across a 'landscape of intergroup conflict'.
- To understand the role of threat perception and decision-making in pre-emptive strategies.
Main Methods:
- Literature synthesis across diverse taxa.
- Analysis of behavioral adjustments in response to varying threat levels.
- Examination of decision-making processes balancing current information and past experiences.
Main Results:
- Social species modify information gathering, resource use, cohesion, synchrony, and intragroup interactions.
- Behavioral adjustments are influenced by spatial context, rival characteristics, and individual motivation.
- Decision-making relies on integrating sensed information with memories of past interactions.
Conclusions:
- Pre-emptive behaviors are a crucial adaptation to the landscape of intergroup conflict.
- Understanding these behaviors is key to socio-cognitive evolution and community dynamics.
- Future research using advanced methods will further elucidate the consequences of these strategies.
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