Northern Grasshopper Mouse

Northern grasshoppers have relatively short tails compared to other mice; their tails are less than half of their body length. Their ventral color is white, and their dorsal color can range from dark brown to a lighter pinkish color.

  • Common Name:

    Northern Grasshopper Mouse

  • Scientific Name:

    Onychomvs leucogaster

  • Weight:

    27 grams to 2 ozs

  • Conservation Status:

    Not Evaluated

  • Size:

    3.5-5 inches in length and tails can reach 1-2.5 inches

  • Where to See:

    Throughout North America, found in most western states, southern Canada, and northern Mexico. In Arizona, in the state's northern half, and Sky Islands in the southeastern corner


In captivity, a northern grasshopper mice can live over four years. Grasshopper mice are unique in that they have a mostly carnivorous diet of insects and have even been known to eat other mice. They aggressively stalk their prey and will let out a shrill cry before they strike. They are more active on nights when the moon is out because of the ambient light. For the most part, they are solitary and can be very territorial.

Where They Are Found

The northern grasshopper mouse can be found in a variety of ecosystems ranging from short grass prairies, sagebrush deserts and sand dunes. They prefer areas with sandy soils for building their burrows, although they will also make homes in existing burrows dug by other animals.

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