Alarm calls as costly signals of antipredator vigilance: the watchful babbler game

  title={Alarm calls as costly signals of antipredator vigilance: the watchful babbler game},
  author={Carl T. Bergstrom and M. Lachmann},
  journal={Animal Behaviour},
  • Carl T. Bergstrom, M. Lachmann
  • Published 2001
  • Biology
  • Animal Behaviour
  • Alarm-calling behavior is common in many species that suffer from predation. While kin selection or reciprocal altruism are typically invoked to explain such a behaviour, several authors have conjectured that some alarm calls may instead be costly signals sent by prey to inform approaching predators that they have been detected. We develop a general game-theoretic model -- the Watchful Babbler game -- in which prey signal awareness to predators. We derive necessary and sufficient conditions for… CONTINUE READING
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