David Woodfall / Cheviot sheep grazing eroding machair at front of sand dunes, North Uist, Scotland, UK, June.

Rob Jordan / 2020VISION / Tributary of the River Tweed where Brown trout (Salmo trutta) and Atlantic salmon (Salmo salar) come to spawn, Cheviot Hills, Northumberland, England, UK, October

Guy Edwardes / Sunset over the Cheviot Hills with flock of sheep in the foreground, Northumberland, England, February 2008

SCOTLAND: The Big Picture / North Country Cheviot sheep on a croft in winter, Sutherland, Scotland

Laurie Campbell / Adder (Vipera berus) close-up of male moving over rocks, Harthope Valley, Cheviot Hills, Northumberland National Park, England, May

Rob Jordan / 2020VISION / View from Coldstream over the River Tweed along Tweed Valley towards the north side of the Cheviot Hills, Berwickshire, Scotland, UK, October 2011

Rob Jordan / 2020VISION / 2020VISION photographer Linda Pitkin working with her husband Brian Pitkin photographing Brown trout (Salmo trutta) and Atlantic salmon (Salmo salar) with an underwater polecam, River Tweed, Cheviot H...

Rob Jordan / 2020VISION / 2020VISION photographer Linda Pitkin photographing Brown trout (Salmo trutta) and Atlantic salmon (Salmo salar) using an underwater polecam, River Tweed, Cheviot Hills, Northumberland, England, UK, Oc...

Philippe Clement / Cheviot sheep (Ovis aries) lamb portrait in the Scottish Highlands, Scotland, UK, May

Philippe Clement / Cheviot sheep (Ovis aries) lamb and ewe in field in the Scottish Highlands, Scotland, UK, May

Philippe Clement / Cheviot sheep (Ovis aries) ewe suckling lamb in field in the Highlands, Scotland, UK, May

Geoff Simpson / Chillingham (cheviot) cattle feeding on hay in winter, Otterburn, Northumberland, UK