- a very small European mouse (Micromys minutus) that builds its nest among the stalks of wild plants and growing grain
- any of a genus (Reithrodontomys) of very small New World mice with a very long tail
harvest mouseharvest mouse
(plural harvest mice)
- Micromys minutus, a species of the sub-family Murinae (Old World rats and mice).
- Minutus, the harvest-mouse, is the smallest of the European mice, seldom exceeding 22 or 3 in.