American mink

Part hunter, part opportunist, part invader

Matthew Paulson


American mink

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Part hunter, part opportunist, part invader

Population

One of the most versatile and wide-ranging members of the weasel family, equally at home in wild wetlands and near human settlements. Native to North America, it was introduced to Europe, Russia, and parts of South America through the fur trade, and today it is found across two continents. Sleek, semi-aquatic, and opportunistic, the mink is a true survivor—a predator that has thrived in forests, marshes, rivers, and coastlines alike.

In appearance, the American mink is a handsome, medium-sized carnivore with a long, muscular body, short legs, and a thick tail. Its fur is dense, silky, and dark brown, often so glossy that it appears almost black. Some individuals have a small patch of white on the chin or chest. This luxurious coat made the mink one of the most sought-after animals in the fur industry, leading to the establishment of mink farms around the world.

But beyond its fur, the mink is fascinating for its semi-aquatic lifestyle. It is an excellent swimmer and diver, often hunting along riverbanks, ponds, and coastlines. Its diet is incredibly varied: fish, frogs, crayfish, waterbirds, rodents, and even rabbits fall prey to this agile hunter. The mink is a master of ambush, stalking quietly through reeds or slipping into the water with barely a ripple before striking with lightning speed. It is also known to cache food, storing surplus prey in burrows or under roots to eat later.

Minks are solitary and territorial, marking their ranges with strong-smelling secretions from their anal glands. Like other weasels, they are bold for their size, capable of tackling prey larger than themselves. They are mostly nocturnal, but in quiet areas, they can be seen during the day. In winter, their fur thickens dramatically, giving them superb insulation against cold northern climates.

Distribution

Country
Population est.
Status
Year
Comments
Argentina
2015
Introduced
Austria
2015
Introduced
Belarus
2015
Introduced
Belgium
2015
Presence Uncertain, Introduced
Canada
2015
Chile
2015
Introduced
Czechia
2015
Introduced
Denmark
2015
Introduced
Estonia
2015
Introduced
Finland
2015
Introduced
France
2015
Introduced
Germany
2015
Introduced
Greece
2015
Introduced
Hungary
2015
Presence Uncertain, Introduced
Iceland
2015
Introduced
Ireland
2015
Introduced
Italy
2015
Introduced
Japan
2015
Introduced
Latvia
2015
Introduced
Lithuania
2015
Introduced
Luxembourg
2015
Presence Uncertain, Introduced
Montenegro
2015
Introduced
Netherlands
2015
Presence Uncertain, Introduced
Norway
2015
Introduced
Poland
2015
Introduced
Portugal
2015
Introduced
Romania
2015
Introduced
Russia
2015
Introduced
Serbia
2015
Introduced
Slovakia
2015
Presence Uncertain, Introduced
Slovenia
2015
Presence Uncertain, Introduced
Spain
2015
Introduced
Sweden
2015
Introduced
Ukraine
2015
Introduced
United Kingdom
2015
Introduced
United States
2015

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No