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Handicap principle implies emergence of dimorphic ornaments



Handicap principle implies emergence of dimorphic ornaments



Proceedings. Biological Sciences 283(1843):



Species spanning the animal kingdom have evolved extravagant and costly ornaments to attract mating partners. Zahavi's handicap principle offers an elegant explanation for this: ornaments signal individual quality, and must be costly to ensure honest signalling, making mate selection more efficient. Here, we incorporate the assumptions of the handicap principle into a mathematical model and show that they are sufficient to explain the heretofore puzzling observation of bimodally distributed ornament sizes in a variety of species.

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Accession: 057966113

Download citation: RISBibTeXText

PMID: 27903876

DOI: 10.1098/rspb.2016.1970


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