Ben Hall / 2020VISION / Red grouse (Lagopus lagopus scoticus) standing on gritstone boulder with flowering heather (Ericaceae sp), Peak District NP, August 2011. Did you know? While the female grouse is incubating her eggs,...

Peter Cairns / 2020VISION / Rock ptarmigan (Lagopus mutus) male hidden by rocks, eye visible, winter plumage, Cairngorm Mountains, Cairngorms NP, Highland, Scotland, UK, February

Ben Hall / Red grouse (Lagopus lagopus) perched on granite boulder, Dark Peak, Peak District NP, Derbyshire, UK, September 2010, Highly Commended, Habitat category, British Wildlife Phototgraphy Awards (BWPA) co...

Peter Cairns / 2020VISION / Rock ptarmigan (Lagopus mutus) tracks in snow, with low winter sun, Lochain Mountain, Cairngorms NP, Highlands, Scotland, UK, February 2010. 2020VISION Book Plate.

Peter Cairns / 2020VISION / Rock ptarmigan (Lagopus mutus) flying from boulder field in winter plumage, Cairngorms NP, Highlands, Scotland, UK, February

Peter Cairns / 2020VISION / Silhouette of Rock ptarmigan (Lagopus mutus) perched on rock against winter sun, Cairngorms NP, Highlands, Scotland, UK, February

Peter Cairns / 2020VISION / Silhouette of Rock ptarmigan (Lagopus mutus) perched on rock against winter sun, Cairngorms NP, Highlands, Scotland, UK, February. Photographer quote: 'At -20c and with fog rolling across the mountain...

Peter Cairns / 2020VISION / Three Rock ptarmigan (Lagopus mutus) perched on rock, camouflaged against snow in winter plumage, Cairngorms NP, Highlands, Scotland, UK, February. Did you know? The ptarmigan is the only British bird...

Peter Cairns / 2020VISION / Three Rock ptarmigan (Lagopus mutus) perched on rock, camouflaged against snow in winter plumage, Cairngorms NP, Highlands, Scotland, UK, February

Peter Cairns / 2020VISION / Rock ptarmigan (Lagopus mutus) tracks in snow in winter landscape, Cairngorms NP, Highlands, Scotland, UK, February 2010

Peter Cairns / 2020VISION / Rock ptarmigan (Lagopus mutus) female in flight in winter plumage, Cairngorms NP, Highlands, Scotland, UK, February. 2020VISION Book Plate.

Peter Cairns / 2020VISION / Rock ptarmigan (Lagopus mutus) perched on boulder, camouflaged against snow in winter plumage, Cairngorms NP, Highlands, Scotland, UK, February