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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, use resources, and interact within groups. This flexibility helps them navigate the
Area of Science:
- Behavioral Ecology
- Animal Behavior
- Evolutionary Biology
Background:
- Intergroup conflict is a significant evolutionary pressure across the animal kingdom.
- Research has historically focused on direct conflict, neglecting anticipatory behaviors.
Purpose of the Study:
- To synthesize current knowledge on pre-emptive behaviors in anticipation of intergroup conflict.
- To explore how animals adjust social and resource strategies in response to perceived threats.
Main Methods:
- Literature synthesis across diverse taxa.
- Analysis of behavioral adjustments in response to varying threat levels.
- Examination of decision-making processes balancing new information and past experiences.
Main Results:
- Social species modify information gathering, resource use, group cohesion, and synchrony.
- Behavioral adjustments are influenced by spatial context, rival characteristics, and individual motivation.
- Decision-making integrates current sensory input with memories of past interactions.
Conclusions:
- Pre-emptive behaviors are a crucial adaptive strategy in the 'landscape of intergroup conflict'.
- Understanding these behaviors is key to advancing research in socio-cognitive evolution, population dynamics, and community structure.
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