Sven Zacek / American mink (Mustela vison) on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.

Sven Zacek / American mink (Mustela vison) shaking off fur on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.

Sven Zacek / American mink (Mustela vison) running on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.

Igor Shpilenok,Igor Shpilenok / American Mink (Neovison vison) swimming. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, June.

Edwin Giesbers / European mink (Mustela lutreola) swimming, captive, Germany, Critically endangered

Edwin Giesbers / European mink (Mustela lutreola) on log, Captive, Germany, Critically endangered

Florian Möllers / European Mink (Mustela lutreola) female on a forest road. Critically endangered. Saarland, Germany, August.

Mary McDonald / American mink (Mustela vison) with fish, USA - captive

Thomas Lazar / American mink, wet after swimming {Mustela vison} Kettle river, Minnesota, USA

Mary McDonald / American mink, USA (Mustela vison)

LYNN M. STONE / American Mink, USA

Sven Zacek / American mink (Mustela vison) standing on ice. Tartumaa, Southern Estonia. January.