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Signalling via testosterone: Communicating health and vigour

  • Alejandro Kacelnik (a1) and Sasha Norris (a1)

Abstract

Our commentary summarises the current understanding of how testosterone can be used as a mechanism to link quality to external traits potentially used in sexual signalling, particularly female choice. Testosterone-dependent traits may reveal male's status to rivals and immunocompetence to females. We highlight some interesting unanswered questions and suggest that cross-disciplinary collaboration would help solve them.

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Signalling via testosterone: Communicating health and vigour

  • Alejandro Kacelnik (a1) and Sasha Norris (a1)

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