Comparative Life Histories of Georgia and Virginia Cotton Rats

  title={Comparative Life Histories of Georgia and Virginia Cotton Rats},
  author={Bradley J. Bergstrom and Robert K. Rose},
Adult hispid cotton rats (Sigmodon hispidus) were collected from the field monthly for .2 years from populations near the northern edge of their range in Virginia and contemporaneously from south-central Georgia. Body measurements and weights were taken at capture, and after dissection embryos, corpora lutea, and placental scars were counted and measured; testes and seminal vesicles were dissected out, measured, and weighed. This allowed comparison of several life-history parameters between the… CONTINUE READING

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