Secretive and rarely seen, 
the European Pine Marten, (martes martes) is about the size of a cat. It can be ferocious, with sharp teeth and claws which help it to hunt birds and rodents.

Dark brown on their backs and with a distinctive yellow bib, this is a medium sized member of the mustelids, the same family as badgers, stoats, weasels and wolverines, but it is the only one with semi-retractable. . .