The pine marten’s medium-size substantially varies geographically and males outweigh females by 12-30%.

The pine marten is a medium-sized carnivore, about the size of a large domestic cat with similar proportions. Its head and body length is 450-580 mm and tail length is 160-280 mm.

There is substantial size variation found geographically.

Sexual dimorphism is also seen in size, with males outweighing females by 12-30%.

^{• Image | © Joanne Goldby, Some Rights Reserved (CC BY-SA 2.0)
• Sources | (Corbet & Southern, 1977; Grzimek, 1990; Nowak, 1999; Schwanz, 2000)}

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