John Shaw / Pine tree (Pinus sp) in winter, Bryce Canyon National Park, Utah, USA, January.

SCOTLAND: The Big Picture / Ancient Scots pine (Pinus sylvestris) amongst flowering Common heather / Ling (Calluna vulgaris). Rothiemurchus Forest, Cairngorms National Park, Scotland, UK.

Bernard Castelein / Scots pine tree (Pinus sylvestris) at sunrise, Klein Schietveld, Brasschaat, Belgium. September.

Bernard Castelein / Scots pine trees (Pinus sylvestris) in wetlands at dawn with the moon, Klein Schietveld, Brasschaat, Belgium

Bernard Castelein / Scots pine trees (Pinus sylvestris) on island in wetlands, Klein Schietveld, Brasschaat, Belgium

Bernard Castelein / Scots pine tree (Pinus sylvestris) with sunrays at sunrise. Klein Schietveld, Brasschaat, Belgium.

Bernard Castelein / Scot's pine tree (Pinus sylvestris) at dawn, Klein Schietveld, Brasschaat, Belgium, October 2013.

Jack Dykinga / Agave (Agave utahensis) close up of spines with Pinyon pine cone (Pinus edulis) wedged amongst them. Grand Canyon-Parashant National Monument, Arizona, USA

Jack Dykinga / Ponderosa pine (Pinus ponderosa) growing in Grand Staircase-Escalante National Monument, Utah, October 2014.

Terry Whittaker / Red squirrel (Sciurus vulgaris) leaping between Scots pine tree (Pinus sylvestris)s, lands on camera, Black Isle, Ross and Cromarty, Scotland, February.

SCOTLAND: The Big Picture / Capercaillie (Tetrao urogallus) feeding in a Scots pine tree (Pinus sylvestris), Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Scots pine trees (Pinus sylvestris) in heavy snowfall, Cairngorms National Park, Scotland, UK, January.

Ingo Arndt / Bark beetle (Scolytinae) galleries in dead spruce tree (Picea abies), Bayerischer Wald / Bavarian Forest National Park, Germany., June.

SCOTLAND: The Big Picture / Ancient Scots pine tree (pinus sylvestris) with dead low branches, in evening light. Cairngorms National Park, Highlands, Scotland, UK. February 2008.

SCOTLAND: The Big Picture / Scots pine (Pinus sylvestris) seedling growing amongst lichens and heather. Cairngorms National Park. Highlands, Scotland, September.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) against a star filled sky with a brilliant Milky Way. Zion National Park, Utah, USA, September.

Jack Dykinga / Douglas firs (Pseudotsuga menziesii) in 'Wall Street' Canyon. Bryce Canyon National Park, Utah, USA, October.

SCOTLAND: The Big Picture / Scots pine (Pinus sylvestris) with Northern lights / Aurora borealis lighting up the night sky in background, Monadhliath Mountains, Cairngorms National Park, Scotland, UK, October 2015.

Nick Garbutt / Sun beam at sun rise over the Grand Canyon of the Yellowstone, Yelllowstone National Park, Wyoming, USA. January 2016

Floris van Breugel / Bristlecone pine (Pinus aristata) abstract view of exposed and weathered wood layers, White Mountains, California, USA July

Floris van Breugel / Ancient Bristlecone pine (Pinus aristata) clings to life, with a grand view of endless sage valleys, White Mountains, California, USA, July

Floris van Breugel / Camping in Big Pine Lakes, Sierra Nevada, Sequoia National Park, California, USA, May

Niall Benvie / Scots pines (Pinus sylvestris) Torridon, Scotland, UK, November.

David Pattyn / Alpine ibex (Capra ibex) on a mountain side in autumn with European larch tree (Larix decidua) trees in the back the Alps, Gran Paradiso National Park, Italy. November.

Orsolya Haarberg / Snow covered Norway spruce (Picea abies) trees at the treeline, Stubba Nature Reserve, Laponia, Sweden, February 2013.

Orsolya Haarberg / Snow covered Norway spruce (Picea abies) forest on Mount Harghita Madaras, Carpathian Mountains, Transylvania, Romania, January 2015.

Orsolya Haarberg / Norway spruce (Picea abies) trees covered in snow, Ciuc Mountains, Transylvania, Romania, January 2015.

Erlend Haarberg / Norway spruce trees (Picea abies) covered in snow and frost, at sunrise, Mellan-Stubba, Stubba Nature Reserve, Lapland, Sweden, February 2013.

Andy Trowbridge / Capercaillie (Tetrao urogallus) male displaying in Scots pine tree (Pinus sylvestris) Southern Norway. May.

Pal Hermansen / Dead, polluted Larch (Larix) forest, with power station behind, Norilsk, Russia.

Erlend Haarberg / Siberian jay (Perisoreus infaustus) in Scots pine forest, near fallen tree, Stora Sjofallet National Park, Laponia World Heritage Site, Lapland, Sweden, October.

Sandra Bartocha / Scots pine (Pinus sylvestris) trees in snowy woodland in evening sunlight, Potsdam, Germany, January.

Sandra Bartocha / Silver birch (Betula pendula) and Scots pine (Pinus sylvestris) trunks in snow, Muritz-National Park, Germany, January.

Sandra Bartocha / Scots pine (Pinus sylvestris) forest in spring, Muritz-National Park, Germany, May.

Peter Cairns / Wood patterns in Lodgepole pine (Pinus contorta) Yellowstone National Park, Wyoming, USA, January.

Charlie Summers / Black Bear (Ursus americanus) sleeping in a Sitka Spruce tree (Picea sitchensis) alongside Anan Creek, Alaska, July.

Theo Bosboom,Theo Bosboom / Lily pads (Nymphaceae) with the reflections of pine trees, with water reflections, Tresticklan National Park, Southwest Sweden, September

Bernard Castelein / Scot's pine (Pinus sylvestris) and Common oak (Quercus robur) trees in early morning mist. Klein Schietveld, Brasschaat, Belgium. July 2019.

David Tipling / Mountain hare (Lepus timidus) footprints in snow, with Spruce trees cloaked in snow Ruka Peak, Kuusamo, Finland. January.

David Tipling / Mountain hare (Lepus timidus) footprints in snow, with Spruce trees cloaked in snow Ruka Peak, Kuusamo, Finland. January.

David Tipling / Spruce trees cloaked in snow Ruka Peak, Kuusamo, Finland. January.

David Tipling / Mountain hare (Lepus timidus) footprints in snow, among Spruce trees cloaked in snow Ruka Peak, Kuusamo, Finland. January.

David Tipling / Mountain hare (Lepus timidus) footprints in snow, with Spruce trees cloaked in snow Ruka Peak, Kuusamo, Finland. January.

Sergio Hanquet / Trees damaged by forest fire. Garajonay National Park, La Gomera, Tenerife, Canary Islands, 2012.

Sergio Hanquet / Canary Island pine (Pinus canariensis) trees, dead in forest following forest fire. Ilfonche, Tenerife, Canary Islands. 2012.

Sergio Hanquet / Forest fire in Canary Island pine (Pinus canariensis) forest. Ifonche, Tenerife, Canary Islands, 2012.

Sergio Hanquet / Forest fire in Canary Island pine (Pinus canariensis) forest. Ifonche, Tenerife, Canary Islands, 2012.

Sergio Hanquet / Electricity wires and Canary Island pine forest (Pinus canariensis) silhouetted by forest fire. Ifonche, Tenerife. Canary Islands, 2012.

Sergio Hanquet / Charred remnant Canary Island pine (Pinus canariensis). tree trunk following forest fire. El Hierro, Canary Islands.

Sergio Hanquet / Charred remnant Canary Island pine (Pinus canariensis). tree trunk following forest fire. El Hierro, Canary Islands.

Pascal Tordeux / Larch trees (Larix decidua) in mist, Alps, France. November 2013.

David Tipling / Spruce (Picea sp) trees in forest, cloaked in crown snow, with sun low in sky, Ruka Peak, Kuusamo, Finland. January 2019.

Claudio Contreras / Pine (Pinus sp), dead tree silhouetted in mist. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico, May

Claudio Contreras / Jeffrey pine (Pinus jeffreyi) and White Fir (Abies concolor) forest. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.

Claudio Contreras / Jeffrey pine (Pinus jeffreyi) needles on ice. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.

Claudio Contreras / Pine (Pinus sp) forest at dawn. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico. December 2009.

Claudio Contreras / Sugar pine (Pinus lambertiana) forest in evening light. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico. June 2011.

Claudio Contreras / Jeffrey pine (Pinus jeffreyi) forest in mist. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico, December 2009.

Claudio Contreras / Sierra lodgepole pine (Pinus contorta var murrayana) forest. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico. 2011.

Claudio Contreras / Sugar pine (Pinus lambertiana) forest in evening light. , Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico. June 2011.

Claudio Contreras / Sierra lodgepole pine (Pinus contorta murrayana) forest. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

Adrian Davies / Cauliflower fungus (Sparassis crispa) at base of Pine tree. Surrey, England, UK.

Adrian Davies / Cauliflower fungus (Sparassis crispa) at base of Pine tree. Surrey, England, UK.

Nick Upton / Scots Pine tree (Pinus sylvestris) forest on northern shore of Lake Peipsi, near Alajoe, Ida-Viru County, Estonia. April 2018.

Heather Angel / Cedar (Cedrus sp), male catkins releasing pollen. Surrey England, UK.

Heather Angel / Huangshan pine (Pinus huangensis) in snow, Huangshan / Yellow Mountain, UNESCO World Heritage Site, Anhui Province, China. December.

Heather Angel / Spotted nutcracker (Nucifraga caryocatactes) feeding on Chinese red pine (Pinus tabuliformis) seeds. Tangjiahe National Nature Reserve, Sichuan Province, China.

SCOTLAND: The Big Picture / Young Scots pine (Pinus sylvestris) seedlings growing in seed trays at Trees For Life's nursery on Dundreggan Estate, Scotland, UK, June.

SCOTLAND: The Big Picture / Scots pine (Pinus sylvestris) seedlings growing at Trees For Life's nursery on Dundreggan Estate, Scotland, UK, June.

Ernie Janes / Scots pines (Pinus sylvestris) trunk and bark, Norfolk, England, UK, November.

David Woodfall / Scots pine trees (Pinus sylvestris) at Alladale estate, which has been managed as a rewilding estate since 2003. Scotland, UK,

David Woodfall / Caledonian pine forest with Scots pine trees (Pinus sylvestris) alongside River Carron,with Birches (Betula) at dawn. Regenerated area due to rewilding experiment in Alladale estate, Scotland, UK, Oct...

Phil Savoie / Lodgepole pine forest (Pinus contorta) around Hylaite lake, with Bridger mountains, Rocky Mountains, Montana, USA, July 2011.

Jack Dykinga / Long Canyon on the historic Burr Trail, with Douglas fir (Pseudotsuga menziesii) against the 'varnished' canyon walls. Grand Staircase-Escalante National Monument, Utah, USA. October 2018.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) infront of petrified sand dunes with ephemeral waterfall after autumn rains, Grand Staircase-Escalante National Monument, Utah, USA. October.

Jack Dykinga / Long Canyon on the historic Burr Trail, with Douglas fir (Pseudotsuga menziesii) against the 'varnished' canyon walls with sheets of water flowing over the sandstone. Grand Staircase-Escalante...

SCOTLAND: The Big Picture / Scot's Pine forest (Pinus sylvestris) at sunrise, Cairngorms National Park, Scotland, UK, July.

SCOTLAND: The Big Picture / Scots pine (Pinus sylvestris) saplings naturally regenerated from mature pines on moorland, Cairngorms National Park, Scotland, UK. August.

SCOTLAND: The Big Picture / Scots pine (Pinus sylvestris) saplings naturally regenerated from mature pines on moorland, Cairngorms National Park, Scotland, UK. August.

SCOTLAND: The Big Picture / Birch (Betula pendula) and Scot's pine (Pinus sylvestris) woodland, Rothiemurchus, Cairngorms National Park, Scotland, UK, June.

SCOTLAND: The Big Picture / Loch Garten and surrounding Scots pine (Pinus sylvestris) forest of Abernethy, Cairngorms National Park, Scotland, UK, June.

SCOTLAND: The Big Picture / Loch Garten and surrounding Scots pine (Pinus sylvestris) forest of Abernethy, Cairngorms National Park, Scotland, UK, June.

SCOTLAND: The Big Picture / Loch Garten and surrounding Scots pine (Pinus sylvestris) forest of Abernethy, Cairngorms National Park, Scotland, UK, June.

SCOTLAND: The Big Picture / Fallen Scots pine (Pinus sylvestris) in woodland, Abernethy Forest, Scotland, UK. September.

SCOTLAND: The Big Picture / Scot's pines (Pinus sylvestris) in evening light, Glemore, Cairngorms National Park, Scotland, UK.November

SCOTLAND: The Big Picture / Scot's pines (Pinus sylvestris) and regeneration on moorland, Abernethy, Cairngorms National Park, Scotland, UK.November

SCOTLAND: The Big Picture / Scot's pine forest (Pinus sylvestris), in late evening light, Abernenthy Forest, Cairngorms National Park, Scotland, UK.November

Terry Whittaker / Scots Pine (Pinus sylvestris), ancient tree with large fallen branch, Cairngorms National Park, Scotland, UK, October.