Records cluster around the Matanuska-Susitna Valley, the Copper River delta, Denali National Park and Preserve, and Bristol Bay, a spread of river, lake, and coastal shoreline across the state’s more accessible core. Mink rarely stray far from a shoreline anywhere in their range, and Alaska’s records follow that same rule.
Mink here den in muskrat burrows, hollow logs, or root tangles along the bank rather than digging their own, and they hunt in two mediums at once: fish and crayfish from the water, then voles, muskrats, and ground-nesting birds once they’re back on land. That flexibility lets a mink shift its diet as Alaska’s short season turns over from open water to freeze-up.
Records spike sharply in April and May and again in November, likely tracking den activity and fall dispersal rather than any real change in how many mink are working Alaska’s waterways at a given time.
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