American ermine records in Minnesota lean heavily north: St. Louis County alone holds 96 of the 185, and Superior National Forest, Chippewa National Forest, and the Boundary Waters Canoe Area Wilderness all turn up among the named places, putting the species firmly in the state’s forest and wetland country. iNaturalist supplies 182 of the records and GBIF lists 124, most of them the same sightings.
Reports spike hard in January, February, and December, winter months when the ermine’s white coat stands out sharply against snow and makes an otherwise secretive weasel far easier to notice. The summer trough doesn’t mean the animal disappears; it just gets harder to spot in its brown warm-season coat against green cover.
Full species profile
