American ermines turn brown in summer and pure white in winter except for a black-tipped tail that stays constant year-round, a seasonal disguise that works well against Connecticut’s snowier inland stretches. Records near Sleeping Giant State Park and the state’s wooded river corridors trace forest edge and rocky terrain rather than open ground.
Records peak in April, with a secondary bump in July, likely tracking the stretch when this year’s young are old enough to hunt and be spotted alongside a parent. Every one of Connecticut’s 28 records comes through GBIF rather than a photograph, unusual for such a small, secretive predator, and a sign that most of what’s known about this weasel in the state still comes from trapping or specimen records rather than casual sightings.
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