Survival Strategies

  • Robin I. M. Dunbar
Part of the Studies in Behavioural Adaptation book series (SBA)


In order to survive from day to day, an animal has to solve two major sets of problems simultaneously. One is to obtain enough food to balance its energy budget; the other is to avoid being caught by a predator while doing so. The difficulty from the animal’s point of view is that these two requirements are often incompatible. Obtaining food invariably obliges an animal to move around, for a given food patch can support an animal for only a limited period of time. But movement of any distance inevitably forces an animal to enter areas where it is more vulnerable to predators. An animal’s problem, then, is to optimise the time it devotes to foraging in the light of the predation risk it is likely to suffer.


Survival Strategy Predation Risk Japanese Macaque Vervet Monkey Howler Monkey 
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Copyright information

© Robin Dunbar 1988

Authors and Affiliations

  • Robin I. M. Dunbar
    • 1
  1. 1.Department of ZoologyUniversity of LiverpoolUK

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