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Physiological Stress Mediates the Honesty of Social Signals
BACKGROUND: Extravagant ornaments used as social signals evolved to advertise their bearers' quality. The Immunocompetence Handicap Hypothesis proposes that testosterone-dependent ornaments reliably signal health and parasite resistance; however, empirical studies have shown mixed support. Alte...
Autores principales: | , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2656621/ https://www.ncbi.nlm.nih.gov/pubmed/19319197 http://dx.doi.org/10.1371/journal.pone.0004983 |