The risks and benefits of signalling aggressive motivation: a study of cave-dwelling little blue penguins

@article{Waas1991TheRA,
  title={The risks and benefits of signalling aggressive motivation: a study of cave-dwelling little blue penguins},
  author={Joseph Rupert Waas},
  journal={Behavioral Ecology and Sociobiology},
  year={1991},
  volume={29},
  pages={139-146}
}
  • Joseph Rupert Waas
  • Published in
    Behavioral Ecology and…
    1991
  • Biology
  • SummaryCave-dwelling little blue penguins, Eudyptula minor, use a large repertoire of agonistic displays. Both qualitative and quantitative measures suggested that some displays were more dangerous to perform than others (estimated by the risk of being injured by one's opponent). A lag sequential analysis of interactions indicated a positive relationship between the risks of performing a display and the display's effectiveness (i.e., in deterring opponents). The cost or risk asymmetries that… CONTINUE READING

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