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threatened and/or endangered

House Mouse Mus musculus


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House Mouse
credit: NIH

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Family: Muridae, Mice and Rats view all from this family

Description Small, nearly unicolored grayish-brown mouse with dark underparts. Tail is dusky and unicolored. Most likely to be confused with the Harvest Mouse, which has grooved incisors and typically has reddish back and lighter belly, or Peromyscus, which has white underparts.

Dimensions 130-200mm, 65-100mm, 18-23g

Habitat Cities, suburbs & towns, Meadows & fields

Range Plains, Great Lakes, New England, Mid-Atlantic, Rocky Mountains, Southeast, Southwest, Florida, Texas, California, Northwest, Eastern Canada, Western Canada, Alaska

Discussion This cosmopolitan, introduced species is most common around human habitations, but may inhabit old fields and nearby disturbed habitats as well.