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1 results

  • 2 - The Paradox of Crypsis: Is it Effective against Visual Predation?

  • T. Royama
  • Book:
    Animal Population Ecology
    Published online:
    01 April 2021
    Print publication:
    22 April 2021, pp 26-30

  • Summary

    It has been convincingly demonstrated by observations and experiments that crypsis or mimesis among insect species has been evolved as a protective device against visual predation. In my study of great tits, however, these well-camouflaged insects comprised a large part of the nestlings’ diet, suggesting that the parent tits had little or no problem finding these insects that perfectly mimic pieces of branch or bark of a tree. Here, I consider how this apparent paradox can be understood in terms of an evolutionary process.