Species › Mammals › Northern Pygmy Mouse

Northern Pygmy Mouse

Baiomys taylori

UncommonMammal
Illustration of Northern Pygmy Mouse (Baiomys taylori)

The Northern Pygmy Mouse is among the smallest rodents in North America, with adults weighing as little as 7 grams. It inhabits grasslands and brushy areas of south Texas and Mexico and is strictly a tropical and subtropical species at the northern edge of its range in the United States. This tiny mouse creates runways through dense grass and is preyed upon by a wide variety of small carnivores.

Habitat
Grassy brushlands and tropical grasslands of south Texas
Diet
Grass seeds and green plant material
How common
Uncommon

Best time to see a Northern Pygmy Mouse

The best time to see a Northern Pygmy Mouse is October–February, when about 60% of U.S. sightings happen, based on 58 research-grade iNaturalist observations.

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