# White-footed Mouse (Peromyscus leucopus) - Web page: https://www.funwildfacts.com/nordamerika/mammal/white-footed-mouse - Published: 2026-05-30 - Last updated: 2026-05-30 ## Overview The white-footed mouse is a small rodent belonging to the family Cricetidae and is one of the most common mouse species in eastern and central North America. This species is easily recognized by its distinctive white feet and white underparts that contrast sharply with its reddish-brown or grayish-brown upper body. The body is compact and well-proportioned with large eyes and ears perfectly adapted for nocturnal activity. Its soft, dense fur provides excellent insulation during cold nights. This small rodent is a master climber and spends considerable time in trees and shrubs, where it searches for seeds, nuts, and berries. Unlike many other mice, the white-footed mouse is particularly skilled at navigating between branches and can jump up to 30 centimeters in the air. It uses its long tail as a balance tool and can move quickly and nimbly through both vertical and horizontal vegetation. On the ground, it moves in rapid bounds and can run at speeds up to 13 kilometers per hour when fleeing from predators. The white-footed mouse plays a central role in forest ecosystems as both consumer and prey. It eats a varied diet including seeds, nuts, insects, fruits, and even fungi, thus contributing to seed dispersal and insect population control. At the same time, it constitutes an important food source for many predators such as owls, snakes, foxes, and weasels. The species is also known for storing food in small caches near its nest, which helps it survive periods when food is scarce. An important ecological aspect of this species is its role as a host for the bacterium that causes Lyme disease. Ticks that bite white-footed mice can transmit the bacterium Borrelia burgdorferi to humans and other mammals. Despite this fact, the species is a valuable part of the North American ecosystem and its populations are stable and well distributed over a large geographic area. ## Quick facts - Weight: 15–25 g - Length: 15–20 cm - Top Speed: 13 km/h - Lifespan: 1–5 yrs - Diet: Herbivore - Conservation Status: Least Concern ## Habitat The white-footed mouse thrives in a variety of habitats but prefers deciduous and mixed forests with rich understory vegetation and plenty of fallen trees and stumps. It is especially common in areas with dense shrub vegetation that provides both shelter and food. The species has also adapted well to human presence and can often be found in parks, gardens, and even in building foundations and barns in rural areas. It requires access to shelter in the form of tree cavities, stone walls, or abandoned burrows. Nests are usually built in protected spaces such as tree cavities, under roots, or in bird boxes, and are lined with soft material such as plant fibers, moss, and feathers. During winter, several individuals sometimes gather in the same nest to share body heat, although they otherwise live relatively solitary lives. The species prefers areas with good coverage of leaves and vegetation that offer both protection from predators and abundant access to seeds and nuts. It can live from sea level up to approximately 1,500 meters elevation in mountainous regions. - Forest - Woodland - Grassland - Farmland - Garden - Urban ## Seasonal Behavior The white-footed mouse is active year-round and does not hibernate, although it may reduce its activity during extremely cold periods by entering brief torpor. During autumn, it intensifies its food gathering and builds up stores of nuts, seeds, and berries in its nest and in caches around its territory. In winter, it moves more often under the snow or in tunnels through snowdrifts to avoid both cold and predators. In spring and summer, from March to October, the most intense breeding occurs with several litters per season. During warm summer nights, the mice are most active and can be seen climbing in trees and bushes while searching for insects and ripe berries. ## Breeding - Gestation: 23 days - Offspring: 2–7 ## Behavior & Ecology - Activity Pattern: Nocturnal - Social Behavior: The white-footed mouse is primarily solitary with individuals having overlapping home ranges of 0.1-0.4 hectares. Males are territorial toward other males but tolerate females within their range. - Migration: Resident - Population: The population is abundant and stable throughout its range in North America, with millions of individuals. ## Did you know? - White-footed mice can jump nearly 30 centimeters high, which is over 15 times their own body height! - These mice have exceptional memory and can remember where they hid hundreds of different food caches throughout winter. - A white-footed mouse can produce up to 100 different vocalizations to communicate with other mice, many of which are too high-pitched for humans to hear. - When temperatures drop, this mouse can lower its body temperature and enter a light hibernation state called torpor to conserve energy. - They groom themselves as often as cats and spend up to 30 percent of their waking time on personal hygiene. - White-footed mice can sense vibrations in the ground through their sensitive paws, which helps them detect predators. - Males may have overlapping territories with several females but are aggressive toward other males that come too close. - A single female can give birth to up to 4 litters per year with 3-5 young in each litter, making the species highly productive. ## Taxonomy - Kingdom: Animalia - Class: Mammalia - Order: Rodentia - Family: Cricetidae - Species: Peromyscus leucopus ## Image - URL: https://images.djurfakta.com/animals/vitfotad-skogsmus/1777810562044-1.jpg - Photo: Edited by Chandler B. Beach, A.M. - License: Public domain ## Other languages - sv: https://www.djurfakta.com/nordamerika/mammal/vitfotad-skogsmus - da: https://www.dyrefakta.com/da/nordamerika/mammal/hvidfoddet-skovmus - no: https://www.dyrefakta.com/nordamerika/mammal/kvitfota-skogmus