The white-footed mouse turns up in 407 Maine records, a middling count for a woodland mouse that’s genuinely widespread across the state’s forest edges but easy to overlook against its close relative, the deer mouse.
Edges and brush piles, not deep canopy
White-footed mice favor forest edges, stone walls, brush piles, and shrubby understory rather than continuous, unbroken canopy. That habitat preference fits neatly with the range of habitats behind Maine’s records, from Acadia’s mixed coastal woods to the cleared and semi-open ground around Baxter State Park, rather than the deepest, most closed stretches of the North Woods interior.
An August surge tied to a summer of breeding
Records spike hard in August, more than double the count of any surrounding month. That timing lines up with the mouse’s breeding calendar: females raise multiple litters over the warm season, and by late summer a wave of newly independent young disperses in search of its own territory, putting far more mice above ground at once than earlier in the year.
Status in Maine
NatureServe ranks the white-footed mouse S5 in Maine, secure, and it’s native across the state. It shares much of its Maine range with the closely related deer mouse, and the two are difficult to tell apart without a close look at the tail and ears, so some records logged as one species may genuinely belong to the other.



