SCOTLAND: The Big Picture / Pine marten (Martes martes) foraging in Pine (Pinus sp) woodland at night. Glenfeshie, Cairngorms National Park, Scotland, UK.

Erlend Haarberg / European pine marten (Martes martes) on spring snow. Vauldalen, Norway, April.

Danny Green / Pine marten (Martes martes) reflected in water, Ardnamurchan Peninsula, west coast of Scotland, UK. Highly commended in the Mammals category of the British Wildlife Photography Awards (BWPA) Competiti...

Nick Upton / Pine Marten (Martes martes) foraging at night in mixed coniferous and birch woodland in the area where live traps were set for a reintroduction project to Wales by the Vincent Wildlife Trust, Scottish...

Nick Upton / Pine marten (Martes martes) male standing on a feeding table in a soft release cage after arrival from Scotland, during a reintroduction project by the Vincent Wildlife Trust, Cambrian Mountains, Wale...

Danny Green / Pine marten (Martes martes) portrait, Ardnamurchan Peninsula, Scotland, August. Highly commended in the Portrait category of the BWPA (British Wildlife Photography Awards) Competition 2016.

Danny Green / Pine marten (Martes martes) leaping, Ardnamurchan Peninsula, Scotland, August. Highly commended in the Animal Behaviour category of the BWPA (British Wildlife Photography Awards) Competition 2016.

Terry Whittaker / Pine marten (Martes martes) on branch, orange glow in sky behind from the lights of Inverness. Black Isle, Scotland, UK, October. Photographed by camera trap Highly commended in the Habitat category o...

Terry Whittaker / Pine marten (Martes martes) walking along edge of water, orange glow in sky behind from the lights of Inverness. Black Isle, Scotland, UK, September. Photographed by camera trap.

Terry Whittaker / Pine marten (Martes martes) jumping from branch, Black Isle, Scotland, UK, February. Photographed by camera trap, Sequence 1 of 2.

Fabrice Cahez / Pine marten (Martes martes) Vosges, France, May.

Andy Trowbridge / Pine marten (Martes martes) juvenile male looking around pine tree. Molde, Central Norway, September.

Terry Whittaker / Pete Turner weighs Pine marten (Martes martes). in trap. Part of Pine marten research by the Waterford Institute of Technology, Ireland. August 2008

Mark Hamblin / 2020VISION / Pine marten (Martes martes) juvenile in woodland, Beinn Eighe National Nature Reserve, Wester Ross, Scotland, UK, July

Mark Hamblin / 2020VISION / Pine marten (Martes martes) two playing on fallen pine log in woodland, Beinn Eighe National Nature Reserve, Wester Ross, Scotland, UK

Mark Hamblin / 2020VISION / Pine marten (Martes martes) juvenile, climbing pine tree in woodland, Beinn Eighe National Nature Reserve, Wester Ross, Scotland, UK, July

Mark Hamblin / 2020VISION / Pine marten (Martes martes) juvenile in pine tree in woodland, Beinn Eighe National Nature Reserve, Wester Ross, Scotland, UK, July. Highly commended, 'Animal Portraits' category, British Wildlife Pho...

Mark Hamblin / 2020VISION / Pine marten (Martes martes) juvenile in woodland, Beinn Eighe National Nature Reserve, Wester Ross, Scotland, UK, July

Danny Green / Pine Marten (Martes martes) portrait with heather. Scotland, UK, July.

Laurie Campbell / Female Pine marten (Martes martes) in undergrowth, Ardnamurchan Peninsula, Argyll, Scotland, June

Colin Seddon / Juvenile Pine marten (Martes martes) calling while held in gloved hands, in care, UK

Sven Zacek / Tail of a Pine Marten (Martes martes) sticking out from a black woodpecker hole as it forages for eggs and chicks. Estonia, Europe, May.

Lassi Rautiainen / Pine marten (Martes martes) in tree trunk, Finland, July

Terry Whittaker / 2020VISION / Pine marten (Martes martes) adult female and two 4-5 month kits in caledonian forest, The Black Isle, Highlands, Scotland, UK, July, photographed by camera trap.

Terry Whittaker / 2020VISION / Pine marten (Martes martes) adult female in caledonian forest, The Black Isle, Highlands, Scotland, UK, July, photographed by camera trap. 2020VISION Exhibition. 2020VISION Book Plate.

Terry Whittaker / 2020VISION / Pine marten (Martes martes) adult female portrait, standing, in caledonian forest, The Black Isle, Highlands, Scotland, UK, July. Photographer quote: "Sitting alone in my hide for hours on end, you be...

Terry Whittaker / 2020VISION / Pine marten (Martes martes) 4-5 month kit walking along branch in caledonian forest, The Black Isle, Highlands, Scotland, UK, July

Terry Whittaker / 2020VISION / Pine marten (Martes martes) rear view of adult female standing up with 4-5 month kit in caledonian forest, The Black Isle, Highlands, Scotland, UK, July.

Terry Whittaker / 2020VISION / Pine marten (Martes martes) rear view of adult female standing up with 4-5 month kit in caledonian forest, The Black Isle, Highlands, Scotland, UK, July

Terry Whittaker / 2020VISION / Pine marten (Martes martes) two 4-5 month kits running along branch of tree in caledonian forest, The Black Isle, Highlands, Scotland, UK, July. Photographer quote: 'Watching a family of young pine ma...

Terry Whittaker / 2020VISION / Pine marten (Martes martes) adult female portrait in Caledonian forest, The Black Isle, Highlands, Scotland, UK, July.

Terry Whittaker / 2020VISION / Pine Marten (Martes martes) adult female in caledonian forest, The Black Isle, Highlands, Scotland, UK, July. Did you know? In Scotland, pine martens moderate the population of the invasive grey squir...

Terry Whittaker / 2020VISION / Pine marten (Martes martes) adult female, portrait, in caledonian forest, The Black Isle, Highlands, Scotland, UK, July

Terry Whittaker / 2020VISION / Pine marten (Martes martes) 4-5 month kit in caledonian forest, The Black Isle, Highlands, Scotland, UK, July. Did you know? Despite their small size Pine martens defend territories up to 25 km2.

Laurie Campbell / Pine Marten (Martes martes) Argyll, Scotland, July

Laurie Campbell / Pine Marten (Martes martes) Argyll, Scotland, May

Pete Cairns / Pine marten {Martes martes} Cairngorms National Park, Scotland, UK.

Niall Benvie / Pine marten chewing raisins {Martes martes} Scotland UK

Dietmar Nill / Pine marten, Germany

Dietmar Nill / Pine marten at water {Martes martes} Germany

Dietmar Nill / Pine marten looking down from a tree {Martes martes} captive

SCOTLAND: The Big Picture / Female Pine marten (Martes martes) with kit, sitting on a rock, The Black Isle, Scotland, UK. June.

SCOTLAND: The Big Picture / Dead Pine marten (Martes martes) lying on road after being hit by car, Cairngorms National Park, Scotland, UK. June.

SCOTLAND: The Big Picture / Pine marten (Martes martes) among flowering Heather (Calluna vulgaris), The Black Isle, Scotland, UK. August.

SCOTLAND: The Big Picture / Pine marten (Martes martes) walking through deep snow at night, The Black Isle, Scotland, UK. January.