FaunaHub

Pine Marten (Martes martes)

MammalMustelidArboreal

European pine marten (Martes martes) with rich brown fur and a cream throat patch.

European pine marten (Martes martes).

Image: Charles J. Sharp, CC BY-SA 4.0, via Wikimedia Commons.

Overview

The European pine marten (Martes martes) is an agile, cat-sized member of the weasel family (Mustelidae), with rich brown fur, a bushy tail, large rounded ears, and a distinctive cream-to-orange throat patch. It is a superb climber, equally at home running through the forest canopy and along the ground.

Pine martens are mostly woodland animals, and their fortunes are closely tied to forests; in some regions their recovery has even had knock-on benefits for other wildlife.

Conservation note: pine martens declined in parts of their range due to habitat loss and persecution, and have been recovering in some areas with protection. Verify current status at iucnredlist.org and regional sources.

Habitat & Range

Pine martens live in forests and wooded country across much of Europe and into western Asia, favouring mature woodland with plenty of cover and denning sites in tree hollows, old nests, or rock crevices. They also use scrub and rocky areas, and adapt to mixed landscapes where woodland is available.

Diet

Pine martens are omnivores with a varied, seasonal diet. They hunt small mammals (such as voles and, notably, squirrels), birds, and insects, and also eat eggs, fruit, and berries — fruit can be especially important in late summer and autumn. This flexibility helps them through the seasons.

Behavior

Pine martens are largely solitary, territorial, and active mainly around dusk and at night, though they may be seen by day. They are exceptional climbers, using a long body and semi-retractable claws to move through trees. Notably, in places where pine martens have returned, they tend to suppress introduced grey squirrels more than native red squirrels, which can help red squirrels recover.

Human Interaction & Conservation

Once heavily reduced by habitat loss, trapping, and persecution, pine martens are now protected in many countries and are recovering in some regions, sometimes aided by reintroduction. Their link to red squirrel conservation has made them a notable conservation success story in places. For current status, consult authoritative sources.

More photos of the pine marten

A pine marten in woodland in Scotland.

European pine marten (Martes martes), Scotland.

Image: Vince Smith, CC BY-SA 2.0, via Wikimedia Commons.

Frequently Asked Questions — Pine Marten

Is a pine marten related to a weasel?
Yes. The pine marten is a mustelid — the weasel family — alongside weasels, stoats, otters, badgers, and the wolverine. Martens are agile, medium-sized members of that family, well adapted to climbing.
What do pine martens eat?
They are omnivores with a varied diet: small mammals (including squirrels), birds, insects, and eggs, plus a lot of fruit and berries in late summer and autumn. Their flexible diet shifts with what is available through the year.
How do pine martens help red squirrels?
In areas where pine martens have returned, studies have found they tend to reduce populations of the introduced grey squirrel more than the native red squirrel — possibly because reds are warier and lighter. This can relieve pressure on red squirrels and help them recover, an unexpected conservation benefit.
Are pine martens endangered?
It varies by region. Pine martens declined badly in parts of their range due to habitat loss and persecution, but they are protected in many countries and have been recovering — sometimes strongly — in some areas. Status should be checked against current IUCN Red List and regional data.

Sources and further reading

Authoritative wildlife references used for general educational context. Conservation status should always be verified against current IUCN Red List data. External links open in a new tab.