When the ball is in the female’s court: the role of male testosterone in the scramblecompetition mating system of the North American red squirrel

BOONSTRA, Rudy, DUŠEK, Adam, LANE, Jeffrey a BOUTIN, Stan., 2017 When the ball is in the female’s court: the role of male testosterone in the scramblecompetition mating system of the North American red squirrel. In 97th Annual Meeting of the American Society of Mammalogists. Idaho: University of Idaho, s. 163. ISSN
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Abstrakt

Male reproductive success in most mammals is determined by their success in direct inter-male competition through aggression and conflict, resulting in female-defense mating systems being predominant. This is linked to male testosterone levels and its dynamics. However, in certain environments, a scramble-competition mating system has evolved, where female reproductive behavior takes precedence and male testosterone dynamics are unlikely to be related to inter-male competition.

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