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Journal of Mammalogy
Sexual dimorphism in body size is expected to vary as a function of mating system. Heske and Ostfeld (1990, J. Mammal. 71:510-519) found no difference in body-length dimorphism between the majority of promiscuous and monogamous microtines. In five species we used body mass and in three species, length of body to test the robustness of these findings. We found no significant dimorphism in length of body in any species, but significant dimorphism in body mass in all species, independent of matingdoi:10.2307/1381924 fatcat:nmzxfmlulrhfnazymw5s6obrgu