Fishers inhabit forest across New Hampshire, from the White Mountains to wooded tracts near Great Bay. They use mature cover, downed wood, rocky den sites, and connected forest corridors, but may also cross suburban edges. Despite the name, fish are not their usual prey; tracks and trail cameras provide more dependable evidence than direct observation.
Records peak in February and March, overlapping the breeding season and favorable snow-tracking conditions. Fishers are active all year and at any hour, though they are usually elusive.
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