SCOTLAND: The Big Picture / Forested island on Loch Lomond, Loch Lomond and the Trossachs National Park, Scotland, UK

Ashley Cooper / At 152 Mw the Sloy Hydro Power Station is the largest hydro power station in the UK, Loch Lomond, Scotland, UK. August

Ashley Cooper / Sloy hydro power station on the shores of Loch Lomond, Scotland, UK. May 2012.

Ashley Cooper / Renewable energy sources - wind power, solar power and Sloy hydro power station on the shores of Loch Lomond, Scotland, UK. May 2012.

Oliver Hellowell / Photographers Oliver Hellowell and Ken Jenkins (Tennessee based photographer) being interviewed on film for the BBC programme The One Show. Balloch Castle, Loch Lomond, Scotland, UK. July 2018

Philippe Clement / Falls of Dochart in the village Killin and the Old Mill / St Fillan's Mill, Loch Lomond & The Trossachs National Park, Stirling, Scotland, UK, June 2017

Philippe Clement / Falls of Dochart in the village Killin and the Old Mill / St Fillan's Mill, Loch Lomond & The Trossachs National Park, Stirling, Scotland, UK, June 2017

SCOTLAND: The Big Picture / Sessile oak (Quercus petraea) branches in autumn, Loch Lomond & Trossachs National Park, Scotland, UK, November.

David Tipling / Waterfall in woodland on the shores of Loch Lomond, Tayside, Scotland, May 2014.

David Tipling / Waterfall and Bluebells (Hyacinthoides non-scripta) in woodland. Inversnaid RSPB Reserve on shores of Loch Lomond, Scotland, May 2014.

David Tipling / Stream and path through woodland with Bluebells (Hyacinthoides non-scripta) Inversnaid RSPB Reserve on shores of Loch Lomond, Scotland, May 2014.

David Tipling / Bluebells (Hyacinthoides non-scripta) in ancient oak woodland on the shores of Loch Lomond, Tayside, Scotland, May 2014.

Laurie Campbell / Red fox (Vulpes vulpes) sub-adult, semi-habituated animal sleeping, Loch Lomond and the Trossachs National Park, Stirlingshire, Scotland, September

Laurie Campbell / Red fox (Vulpes vulpes) semi-habituated animal, investigating pond, Loch Lomond & Trossachs National Park, Stirlingshire, Scotland, September

Laurie Campbell / Cherry gall (Diplolepis quercusfolii) on underside of oak leaf with Oak spangle galls (Neuroterus quercusbaccarum) Loch Lomond and the Trossachs National Park, Stirlingshire, October

Niall Benvie / Silver birch (Betula pendula) fallen leaves, Inversnaid, Loch Lomond, Stirlingshire, Scotland, October

Duncan Mcewan / Water pipes and Hydro electric power station Loch Lomond, Scotland, UK

Mike Read / Bluebells (Hyacinthoides non-scripta) in flower in understorey of mixed deciduous woodland. Inversnaid Nature Reserve, Loch Lomond and The Trossachs National Park, Stirlingshire, Scotland, UK. May.

Mike Read / Bluebells (Hyacinthoides non-scripta) in flower in understorey of mixed deciduous woodland. Inversnaid Nature Reserve, Loch Lomond and The Trossachs National Park, Stirlingshire, Scotland, UK. May.

Mike Read / Bluebells (Hyacinthoides non-scripta) in flower and ferns growing in understorey of mixed deciduous woodland. Inversnaid Nature Reserve, Loch Lomond and The Trossachs National Park, Stirlingshire, S...

SCOTLAND: The Big Picture / Ben Venue summit after heavy snowfall during the winter, looking north west, The Trossachs National Park, Stirling, Scotland. February, 2020.

SCOTLAND: The Big Picture / Sunrise over the Lake of Mentieth in winter, The Trossachs National Park, Scotland. February, 2020.

SCOTLAND: The Big Picture / View of Ben More and Stob Binnein from near Fintry, heavy snowfall and an inversion at sunrise, The Trossachs National Park, Scotland. November, 2019.

SCOTLAND: The Big Picture / Tree backlit by rising sun the autumn with hoar frost and freezing fog, Aberfoyle area, The Trossachs National Park, Scotland. October, 2019.

SCOTLAND: The Big Picture / Aerial view of The Falls of Leny after heavy rainfall, near Callander, The Trossachs National Park, Scotland. September, 2019.

SCOTLAND: The Big Picture / Sunset over Loch Achray looking north towards Ben Venue, The Trossachs National Park, Stirling, Scotland. August, 2019.

SCOTLAND: The Big Picture / Aurora borealis in the evening sky over Ben Ledi from Buchlyvie, The Trossachs National Park, Stirling, Scotland. September, 2020.

Terry Whittaker / Pine marten (Martes martes) amongst moss in coniferous forest. Loch Lomond and The Trossachs National Park, Scotland, UK. August. Camera trap image.

Terry Whittaker / Pine marten (Martes martes) female and kit play fighting amongst moss in coniferous forest at night. Loch Lomond and The Trossachs National Park, Scotland, UK. September. Camera trap image.

Terry Whittaker / Pine marten (Martes martes) in coniferous forest at night. Loch Lomond and The Trossachs National Park, Scotland, UK. September. Camera trap image.

Terry Whittaker / Pine marten (Martes martes) standing amongst moss in coniferous forest, at dusk. Loch Lomond and The Trossachs National Park, Scotland, UK. August. Camera trap image.

Terry Whittaker / Pine marten (Martes martes) female and kit sniffing amongst moss, in coniferous forest at night. Loch Lomond and The Trossachs National Park, Scotland, UK. July. Camera trap image.

Terry Whittaker / Pine marten (Martes martes) female and kit standing amongst moss in coniferous forest at dusk. Loch Lomond and The Trossachs National Park, Scotland, UK. July. Camera trap image.

Terry Whittaker / Brown trout (Salmo trutta) leaping up waterfall to reach spawning grounds upstream. River Endrick, Loch Lomond and The Trossachs National Park, Scotland, UK. July.

Terry Whittaker / River Blane in spate. Loch Lomond and The Trossachs National Park, Scotland, UK. July 2020.

Terry Whittaker / River Endrick in spate. Loch Lomond and The Trossachs National Park, Scotland, UK. July 2020.

Terry Whittaker / Atlantic salmon (Salmo salar) leaping up waterfall to reach spawning grounds upstream. River Endrick, Loch Lomond and The Trossachs National Park, Scotland, UK. July.

Terry Whittaker / Waterfalls on in spate River Endrick. Loch Lomond and The Trossachs National Park, Scotland, UK. July 2020.

Terry Whittaker / Atlantic salmon (Salmo salar) leaping up waterfall to reach spawning grounds upstream. River Endrick, Loch Lomond and The Trossachs National Park, Scotland, UK. July.

Terry Whittaker / Atlantic salmon (Salmo salar) leaping up waterfall to reach spawning grounds upstream. River Endrick, Loch Lomond and The Trossachs National Park, Scotland, UK. July.

Terry Whittaker / Atlantic salmon (Salmo salar) leaping up waterfall to reach spawning grounds upstream. River Endrick, Loch Lomond and The Trossachs National Park, Scotland, UK. July.

Terry Whittaker / Pine marten (Martes martes) running over moss in coniferous forest. Loch Lomond and The Trossachs National Park, Scotland, UK. September. Camera trap image.

Guy Edwardes / Loch Achray and Loch Katrine surrounded by Achray Forest and hills, viewed from Ben A'an in morning light. Loch Lommond and the Trossachs National Park, Stirlingshire, Scotland, UK. October 2006.

Guy Edwardes / Autumn view from Ben A'an towards Achray Forest, Loch Achray and Loch Katrine, in morning light. Loch Lommond and the Trossachs National Park, Stirlingshire, Scotland, UK. October 2006.

Philippe Clement / 18th century Falls of Dochart Inn, hotel-restaurant in the village Killin, Loch Lomond & The Trossachs NP, Stirling, Scotland, UK. June 2018