Mougeot, François; Redpath, Stephen M.; Piertney, Stuart B. - In: Behavioral Ecology 17 (2006) 1, pp. 117-125
The expression of testosterone-dependent sexual traits might signal the ability of their bearers to cope with parasite infections. According to the immunocompetence handicap hypothesis (IHH), such signals would be honest because physiological costs of testosterone, such as a reduced ability to...