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Sex ratios in laboratory and field populations of the old field mouse,Peromyscus polionotus

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Researches on Population Ecology

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Summary

Males outnumbered females as juveniles but not as adults among mice captured by hand in their burrows. The higher production of male offspring together with their higher mortality rate resulted in a 1∶1 sex ratio for the adult mice. Despite the equal abundance of each sex, more males than females were caught in traps. Males must have a higher chance of encountering a trap and/or of entering a trap after finding it.

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Author notes

  1. Michael H. Smith

    Present address: Savannah River Ecology Laboratory, SROO, Box A, 29801, Aiken, South Carolina, USA

Authors and Affiliations

  1. Department of Zoology and Institute of Ecology, University of Georgia, USA

    Michael H. Smith

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  1. Michael H. Smith
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Smith, M.H. Sex ratios in laboratory and field populations of the old field mouse,Peromyscus polionotus . Res Popul Ecol 9, 108–112 (1967). https://doi.org/10.1007/BF02514918

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  • DOI: https://doi.org/10.1007/BF02514918

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