European mink vs mink

European mink

noun
  • a species of mink, Mustela lutreola, found mostly in Europe, similar in appearance to the American mink. 

mink

noun
  • Any of various semi-aquatic, carnivorous mammals in the Mustelinae subfamily, similar to weasels, with dark fur, native to Europe and America, of which two species in different genera are extant: the American mink (Neovison vison) and the European mink (Mustela lutreola). 

  • An article of clothing made of mink. 

  • The fur or pelt of a mink, used to make apparel. 

  • (plural minks) An individual with poor personal hygiene; a smelly person. 

How often have the words European mink and mink occurred in a corpus of books? (source: Google Ngram Viewer )