New York’s occurrence record is the most frequently recorded of any small mammal on this list, with 2,894 white-footed mouse records concentrated on Long Island and reaching into the Catskills. That’s the record of a mouse able to use nearly any patch of brush or woodland edge the state has to offer, from suburban lots to mountain coves.
Stone walls, hedgerows, and oak edges
White-footed mice use hedgerows, brushy ravines, old stone walls, streamside thickets, and suburban woodlots almost interchangeably, wherever logs, leaf litter, and shrub cover sit close together. That flexibility maps neatly onto New York’s landscape: the Hudson Valley’s stone-wall farm edges, the Catskills’ forested coves, and Long Island’s oak-hickory woodlots and suburban lot lines all supply the same basic mix of cover and food, which is exactly why records for this mouse turn up across such different parts of the state.
The mouse behind the state’s Lyme disease cycle
Beyond its own natural history, the white-footed mouse carries real weight in New York’s disease ecology. The lower Hudson Valley and Long Island rank among the highest Lyme disease incidence areas in the country, and this mouse is the primary reservoir host from which blacklegged tick larvae first pick up the bacteria before they molt into the nymphs that go on to bite people the following spring. That’s disease ecology, not health guidance; the mouse is one link in a longer chain connecting ticks, deer, and the wider forest food web.
Status in New York
NatureServe ranks the white-footed mouse S5, secure, and it’s native across the state; USGS NAS doesn’t list it as an introduced species anywhere in New York.



