Sex Ratio and Local Resource Competition in a Prosimian Primate

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Science  14 Jul 1978:
Vol. 201, Issue 4351, pp. 163-165
DOI: 10.1126/science.201.4351.163


Competition between female kin for local limiting resources may explain a male-biased secondary sex ratio in the prosimian Galago crassicaudatus. Data demonstrating the skewed sex ratio, a brief summary of field observations on the species, and a simple mathematical statement of the hypothesis are presented. Local resource competition may influence sex ratio in other mammals.