Female social dominance and basal metabolism in a malagasy primate, Propithecus verreauxi

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Abstract
Tight energetic constraints on reproductively active females are hypothesized to be an important determinant of the phenomenon of female dominance in Propithecus verreauxi, a primate endemic to Madagascar. Five wild sifakas were captured in the Beza Mahafaly Special Reserve in southern Madagascar, and resting metabolic rates (RMR) were measured. Levels were low, as predicted, with the exception of a possibly pregnant female.; Although the data were not conclusive, they were consistent with the hypothesis.