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Brush Mouse

Peromyscus boylii

CommonMammal
Illustration of Brush Mouse (Peromyscus boylii)

The Brush Mouse is a large-eared, long-tailed Peromyscus of rocky brushy habitats in the western United States and Mexico, frequently found in rocky outcrops and chaparral slopes. It is an agile climber that uses its long tail for balance when navigating boulder fields and scrub. Its large hind feet and tail give it excellent grip on uneven rocky substrates.

Habitat
Rocky chaparral, oak-pine woodlands, and canyon sides
Diet
Seeds, berries, fungi, and insects
How common
Common

Best time to see a Brush Mouse

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

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