harvest mouse

noun
1.
an Old World field mouse, Micromys minutus, that builds a spherical nest among the stems of grains and other plants.
2.
any of several New World mice of the genus Reithrodontomys having similar habits.
Origin
1805-15
Examples from the web for harvest mouse
  • The western harvest mouse ranges throughout the southern two-thirds of the region.
British Dictionary definitions for harvest mouse

harvest mouse

noun
1.
a very small reddish-brown Eurasian mouse, Micromys minutus, inhabiting cornfields, hedgerows, etc, and feeding on grain and seeds: family Muridae
2.
American harvest mouse any small greyish mouse of the American genus Reithrodontomys: family Cricetidae
Encyclopedia Article for harvest mouse

either of two genera of small mice: the American harvest mouse (Reithrodontomys) or the Old World harvest mouse (Micromys).

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