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) 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...

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...

SCOTLAND: The Big Picture / Pine marten (Martes martes) entering a kitchen through a window to feed, Ardnamurchan Peninsula, Lochaber, Scotland, UK, February.

SCOTLAND: The Big Picture / Pine marten (Martes martes) feeding, balanced between two logs, Ardnamurchan Peninsula, Lochaber, Scotland, UK, June.

SCOTLAND: The Big Picture / Pine marten (Martes martes) on top of a car wheel, Ardnamurchan Peninsula, Lochaber, Scotland, UK, June.

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) 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.