Sickness behaviour acting as an evolutionary trap? Male house finches preferentially feed near diseased conspecifics.

@article{Bouwman2010SicknessBA,
  title={Sickness behaviour acting as an evolutionary trap? Male house finches preferentially feed near diseased conspecifics.},
  author={Karen M. Bouwman and Dana M. Hawley},
  journal={Biology letters},
  year={2010},
  volume={6 4},
  pages={
          462-5
        }
}
Host behaviour towards infectious conspecifics is a crucial yet overlooked component of pathogen dynamics. Selection is expected to favour individuals who can recognize and avoid infected conspecifics in order to reduce their own risk of infection. However, evidence is scarce and limited to species employing chemical cues. Here, we experimentally examine whether healthy captive house finches (Carpodacus mexicanus) preferentially forage near a same-sex, healthy conspecific versus one infected… CONTINUE READING

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