New York’s occurrence record holds 504 southern red-backed vole records, every one of them a GBIF entry rather than an iNaturalist sighting. That split makes sense for a small, secretive forest-floor rodent that survey trapping turns up far more often than a chance photo does.
Wooded edges of the Montezuma and Iroquois marsh complex
The records cluster around Montezuma and Iroquois National Wildlife Refuges, two of the Great Lakes plain’s biggest marsh systems, which at first glance looks like odd habitat for a species that needs shaded, moss-covered forest floor. The fit is really at the margins: this vole depends on shaded ground near a bog, stream, or other wet edge, and the wooded swamp buffers that ring both refuges’ open marshes supply exactly that combination of moisture and cover. The open wetland itself isn’t the habitat; the damp woodlot around it is.
The state’s real stronghold sits higher up
Nationally this species belongs to cool conifer and mixed forest, the kind that covers New England, the Appalachians, and the northern Rockies, and in New York that description points squarely at the Adirondacks and the Catskills rather than the lake-plain refuges where records happen to concentrate. Reporting effort, not habitat quality, likely explains the gap; a moss-floored spruce-hardwood stand in either mountain range should suit this vole just as well as anywhere it’s actually been documented.
Status in New York
NatureServe ranks the southern red-backed vole S5, secure, and it’s native to New York; USGS NAS doesn’t list it as an introduced species in the state.




