Harvest Mouse (Reithrodontomys humulis)

The Eastern Harvest Mouse is uncommon compared to other rodent species in Tennessee but can be found throughout the state. They will inhabit open meadows and fields, especially when there is no human presence. They are active year round and are mostly nocturnal. Predators that like to feed on the harvest mouse will include hawks, owls, birds, and snakes. The harvest mouse is susceptible to changes in land use, including combine harvesting, burning, bush hogging, and pesticides impacting the species.

  • Length: 4″- 5″
  • Weight: .2 – .4 ounnces.
  • Diet: Omnivorous, eating both plant and animal matter.
  • Breeding: Occurs year round.
  • Gestation: 22 Days.
  • Reproduction: 1 – 8 young born, and 4 litters per year.
  • Habitat: Urban areas with the availability of food, water, and shelter, and open fields and meadows.
  • Legal Status: Common throughout Tennessee, Mice are not protected by law and can be controlled at any time.
  • Other Names: Eastern Harvest Mouse.
  • Interesting Facts: Nests will be found in vegetation. Can be misidentified as a field mouse being found in open fields.

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