Geometry for the selfish herd.

  title={Geometry for the selfish herd.},
  author={W. Hamilton},
  journal={Journal of theoretical biology},
  volume={31 2},
  • W. Hamilton
  • Published 1971
  • Mathematics, Medicine
  • Journal of theoretical biology
  • Abstract This paper presents an antithesis to the view that gregarious behaviour is evolved through benefits to the population or species. Following Galton (1871) and Williams (1964) gregarious behaviour is considered as a form of cover-seeking in which each animal tries to reduce its chance of being caught by a predator. It is easy to see how pruning of marginal individuals can maintain centripetal instincts in already gregarious species; some evidence that marginal pruning actually occurs is… CONTINUE READING
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