Western Jumping Mouse
Zapus princeps
Z. princeps is characterized by its relatively large size among jumping mice, a distinct dark dorsal stripe, and yellowish-orange sides. The tail is very long, typically…
How to identify
Z. princeps is characterized by its relatively large size among jumping mice, a distinct dark dorsal stripe, and yellowish-orange sides. The tail is very long, typically more than 60% of the total length. The upper incisors are grooved. Total length ranges from 220-270 mm.
Range
Z. princeps is found in mountainous regions of western Canada and the United States, from Alaska and British Columbia south to California, Nevada, Utah, and New Mexico.
Habitat
Z. princeps prefers moist meadows, riparian areas, and subalpine forests, often near streams or other water sources.
Similar species
Z. princeps can be confused with Zapus hudsonius in areas where their ranges may overlap. However, Z. princeps is generally larger and has more vibrant coloration.
Name and etymology
princeps: Latin for principal
At a glance
Range
Z. princeps is found in mountainous regions of western Canada and the United States, from Alaska and British Columbia south t…
Habitat
Z. princeps prefers moist meadows, riparian areas, and subalpine forests, often near streams or other water sources.
Guide
Mammals of North America
Range map
Approximate range. © Mapbox © OpenStreetMap