Sexual dimorphism in the Neotropical snakes genus Chironius (Serpentes: Colubridae)
Marina Meireles dos Santos,
Julia Klaczko,
Ana Lúcia da Costa Prudente
Abstract:Sexual dimorphism is a common phenomenon among snakes, with female snakes being larger than male snakes as a recurrent pattern . However, species that show male-male combat behaviour may impose a selective advantage by developing larger bodies in male specimens, like the diurnal Chironius snakes, which display courtship and male-male combat behaviours. In this study, we analysed sexual dimorphism in body, tail, and head size, and skull size and shape in twelve species of Chironius. We investigated whether sexu… Show more
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