House mice are introduced commensal rodents in Vermont, and NatureServe’s SNA rank, not applicable, reflects that introduced species don’t receive a state conservation status. Nearly all of the 30 records here, 29 of 30, come from GBIF rather than casual photographs, meaning trapping and specimen collection, not people spotting mice, accounts for almost everything documented about this species in the state.
Records spike to 8 in February, more than a quarter of the year’s total, then go quiet in March and April entirely, an unusual winter-leaning pattern for a species that breeds indoors year-round; it more plausibly reflects a concentrated trapping effort that winter than any real seasonal shift in mouse activity.
Full species profile
