Simon Colmer / Exmoor Pony grazing on heathland, Dunkery and Horner Woods NNR, Somerset, UK, Exmoor NP, August 2010

Simon Colmer / Heathland looking out towards the Bristol Channel, Dunkery and Horner Woods NNR, Exmoor NP, Somerset, UK, August 2010

Nature Production / Aerial view of Japanese Beech woods (Fagus crenata) with some snow, Gassan, Yamagata, Japan, May 1985

Steve Nicholls / Ivy broomrape flowers (Orobanche hederae) Leigh Woods, Bristol, UK, June

Steve Nicholls / White helleborine (Cephalanthera damasonium) Buckholt beech woods, Gloucestershire, UK, June

Steve Nicholls / Avon Gorge and Leigh Woods at sunset, Bristol, UK, November 2009

Steve Nicholls / Violet helleborine (Epipactis purpurata) flowering in ancient deciduous forest, Lower Woods Nature Reserve, Gloucestershire, UK, August

Steve Nicholls / Bird's nest orchid (Neottia nidus-avis) flowering, Buckholt beech woods,, Gloucestershire, UK, June

Steve Nicholls / Avon Gorge and Leigh Woods at sunset, Bristol, UK, November 2009

Steve Nicholls / View of the Avon Gorge, the Portway road and Leigh Woods at sunset, Bristol, UK, November 2009

Steve Nicholls / Violet helleborine (Epipactis purpurata) flowering in ancient deciduous forest, Lower Woods Nature Reserve, Gloucestershire, UK, August

Steve Nicholls / Oxlip (Primula elatior) flowering in Hayley Woods, Cambridgeshire, UK, April

Steve Nicholls / Oxlip (Primula elatior) flowering in Hayley Woods, Cambridgeshire, UK, April

Steve Nicholls / Avon Gorge, Leigh Woods and the Clifton Suspension Bridge in mist, Bristol, UK, January 2009

Steve Nicholls / Common glowworm larva (Lampyris noctiluca) crawling over snail shell in an ancient deciduous forest, Lower Woods Nature Reserve, Gloucestershire, UK

Simon Colmer / Timothy grass (Phleum pratense) single stem, Woods Mill Nature Reserve, Sussex, UK

Simon Colmer / Exmoor Pony (Equus caballus) portrait, grazing on moorland, Dunkery and Horner Woods National Nature Reserve, Somerset, UK, August

John Waters / Priddy Mineries, an area of intense lead mining on the Mendips up until early 20th century. Now a mixture of woods, rough grassland and marsh, Somerset, UK. December 2010. Digital composite.

Nick Upton / View down Mostnica gorge, carved by the Mostica river through karst limestone rock near Lake Bohinj, Slovenia, July 2010.

Peter Cairns / Young boy peering out from behind tree. Part of Enchanted Woodland Event at Sanquhar Woods (Forres Community Woodland Trust), Grampian, Scotland, UK, May 2007.

Peter Cairns / Children with woodland art celebrating anniversary event. Part of Enchanted Woodland Event at Sanquhar Woods (Forres Community Woodland Trust), Scotland, May 2007.

Peter Cairns / Group of children with puppets of woodland animals. Part of Enchanted Woodland Event at Sanquhar Woods (Forres Community Woodland Trust). Scotland, May 2007.

Ross Hoddinott / Bluebell carpet (Hyacinthoides non-scripta) among beech trees (Fagus sylvatica). West Woods, nr Marlborough, Wiltshire, UK, May

Ross Hoddinott / Bluebells (Hyacinthoides non-scripta) among Beech trees (Fagus sylvatica) and bench in the morning light. West Woods, nr Marlborough, Wiltshire, UK, May

Angelo Gandolfi / Corsican Black Pine trees (Pinus nigra laricio corsicanus) growing in Foret d'Aitone woods. Parc Naturel Regional de Corse, Corsica island, France, January 2010

Angelo Gandolfi / Mountain stream crossing Zonza woods. Parc Naturel Regional de Corse, Corsica island, France, February 2010

Angelo Gandolfi / Mountain stream crossing Zonza woods. Parc Naturel Regional de Corse, Corsica island, France, February 2010

LYNN M. STONE / Chicken Mushroom / Chicken-of-the-Woods / Sulphur Shelf Mushroom (Laetiporus sulphureus) growing on log, Niantic State Forest, Connecticut, USA

Adrian Davies / Hen of the Woods Fungus (Grifola frondosa) growing at foot of tree in woodland, UK. October

Philippe Clement / Scots Pine woods (Pinus sylvestris) around Loch Gamha in Rothiemurchus, a remnant of the Caledonian Forest in the Cairngorms National Park, Scotland, UK, May 2010

Russell Cooper / Ramsons / Wild Garlic (Allium ursinum) close-up of flower spike, Banstead Woods Site of Special Scientific Interest (SSSI) North Downs, Surrey, England, UK

Russell Cooper / English Bluebell (Hyacinthoides non-scripta) flower stem of white variant, in springtime, Banstead Woods Site of Special Scientific Interest, Ancient Woodland, North Downs, Surrey, England, UK

Russell Cooper / English Bluebell Woodland (Hyacinthoides non-scripta) in springtime, Banstead Woods Site of Special Scientific Interest (SSSI), Ancient Woodland, North Downs, Surrey, England, UK

Russell Cooper / Green Veined White Butterfly (Pieris napi) resting on the flowering stem of a native English Bluebell (Endymion nonscriptus) Banstead Woods. Site of Special Scientific Interest. (SSSI) North Downs Su...

Tim Laman / Young boy (four years) climbing a rock in the woods, Lexington, Massachusetts, USA. December 2004, Model released

James Christensen / Sylvia Falls cascading in Steven's Woods, Mount Rainier National Park, Washington

Floris van Breugel / Male Scarlet Tanager (Piranga olivacea) singing and in breeding plumage, early spring in Sapsucker Woods, Ithaca, New York.

Floris van Breugel / Male Scarlet Tanager (Piranga olivacea) in breeding plumage, early spring in Sapsucker Woods, Ithaca, New York.

Russell Cooper / Amethyst Deceiver fungi (Laccaria amethysta) growing amongst moss. Banstead Woods SSSI, North Downs, Surrey. UK

Paul Harcourt Davies / Early purple orchid (Orchis mascula) flowering in chestnut woods, Italy

Paul Harcourt Davies / Provence orchid (Orchis provincialis) flowering in chestnut woods, Lazio, Italy

Paul Harcourt Davies / Early purple orchid (Orchis mascula) flowering in chestnut woods, Lazio, Italy

Stephen Dalton / Footpath through Leigh Mill woods in winter with trees laden with snow, Surrey

David Noton / Bluebells flowering in the woods at Batcombe, Dorset, England, UK

David Noton / First light at dawn in the Bluebell woods at Batcombe, Dorset, England, UK

Jim Brandenburg / Waterfall and cabin, Northwoods, Superior National Forest, Minnesota

Jim Brandenburg / Maple (Acer sp) leaves in autumn, Northwoods, Minnesota.

Jim Brandenburg / Maple (Acer amoenum) with dew in autumn on moss, big woods, Minnesota

Jim Brandenburg / Maple (Acer sp) trees in autumn color, Snowbank Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota.

Jim Brandenburg / Atlas Cedar (Cedrus atlantica) old growth forest interior, Northwoods, Minnesota

Jim Brandenburg / Ice along the shore of Burntside Lake at sunset, Superior National Forest, Minnesota

Jim Brandenburg / Aurora Borealis over Moose Lake, Boundary Waters Canoe Area Wilderness, Minnesota

Jim Brandenburg / Aurora Borealis over Moose Lake, Boundary Waters Canoe Area Wilderness, Minnesota

Rob Tilley / Mountain stream in old growth forest at Sol Duc, Olympic NP, Washington, USA, July 2009

Kristel Richard / The huntsman, wearing the traditional hunting attire, walks in the woods at the opening meet of the Quorn Hunt, in Leicestershire, England, UK. October 2009

Kristel Richard / The pack of modern foxhounds and two whippers-in get out of the woods, at the opening meet of the Quorn Hunt, in Leicestershire, England, UK. October 2009

Tim Fitzharris / Autumn reflection on Marsh's Lake, Spruce Woods Provincial Park, Canada

Tim Fitzharris / Autumn reflection on Marsh's Lake, Spruce Woods Provincial Park, Canada

Tim Fitzharris / Autumn reflection on Marsh's Lake, Spruce Woods Provincial Park, Canada

Donald M. Jones / Wild Boar (Sus scrofa) walking out of the woods, central Florida

Ross Hoddinott / Fungi {possibly Coprinus sp} on tree stump, Horner Woods, near Porlock, Exmoor National Park, Somerset, UK. October.

George Sanker / Moose (Alces alces) cow in snowstorm, Teton woods, Grand Teton National Park, Wyoming, USA, October

George Sanker / Moose (Alces alces) bull at the edge of the Great North Woods, Baxter State Park, Maine, New England, USA, Autumn

Kristel Richard / A soldier, from the King's Troop, Royal Horse Artillery, grooms an Irish Draft horse at the St John's Woods Barracks, London, England, UK. 2009

Kristel Richard / A farrier, from the King's Troop, Royal Horse Artillery, shoes an Irish Draft horse at the St John's Woods Barracks, London, England, UK.

Nick Upton / Rolling Wiltshire downland landscape with mix of pastureland, arable fields and small woods, Nr Calne, Wiltshire, UK, spring 2009

Jose B. Ruiz / Booted eagle (Aquila pennata) pair with chick at nest in Pine woods, Murcia, Spain

Konstantin Mikhailov / North of Russia, National Park 'Russsian North' (Vologda Region), October. Sokolsky pine woods. Ðóññêèé Ñåâåð, íàöèîíàëüíûé ïàðê "Ðóññêèé Ñåâåð" (ÂîëîãîäñêÃ...

Guy Edwardes / Bluebells (Endymion nonscriptus) in deciduous broadleaved Beech (Fagus sylvatica) woodland, West Woods, Marlborough, Wiltshire, UK, May 2009

Wild Wonders of Europe / Biancarelli / Water running through the woods around Gradinsko Lake, Upper Lakes, Plitvice Lakes National Park, Croatia, October 2008

Wild Wonders of Europe / Biancarelli / Woods reflected in the still waters of Proscansko lake, evening, Upper Lakes, Plitvice Lakes NP, Croatia, October 2008

Jerry Monkman / Woman and young children walk along an old woods road in Alton, New Hampshire, USA. Model Released. July 2008

Jerry Monkman / Signpost for hikers on Lincoln's Woods Trail, White Mountains National Forest, New Hampshire, USA. Model Released. October 2007

Ross Hoddinott / Yellow brain fungus {Tremella mesenterica}, Lanhydrock woods, Cornwall, UK. November

Rob Cousins / Woods design catamaran under construction at the Underfall Yard. Bristol Floating Harbour, England, July 2008

Rob Cousins / Woods design catamaran under construction at the Underfall Yard. Bristol Floating Harbour, England, July 2008

Rob Cousins / Woods design catamaran under construction at the Underfall Yard. Bristol Floating Harbour, England, July 2008

Rob Cousins / Woods design catamaran under construction at the Underfall Yard. Bristol Floating Harbour, England, July 2008

Rob Cousins / Woods design catamaran under construction at the Underfall Yard. Bristol Floating Harbour, England, July 2008

Jerry Monkman / Woman hiking on an old woods road near Page Brook and Lake Winnipesauke, Meredith, New Hampshire, USA

Jerry Monkman / Woman hiking on an old woods road near Page Brook and Lake Winnipesauke, Meredith, New Hampshire, USA

Jerry Monkman / Two children running through the woods, North Hampton, New Hampshire, USA, model released

Jerry Monkman / two men hiking on an old woods road near Page Brook and Lake Winnipesauke, Meredith, New Hampshire, USA

Jerry Monkman / Aerial view of kayaking on the Androscoggin River, 13 Mile Woods, Errol, New Hampshire, USA

Jerry Monkman / Kayaking on the Androscoggin River beside Yellow pond water lilies {Nuphar lutea} 13 Mile Woods, Errol, New Hampshire, USA

Rob Tilley / Moon over Brown Mountain reflected in Lake of the Woods, Fremont-Minema NF, Oregon, USA

Rob Tilley / Moon over Brown Mountain reflected in Lake of the Woods, Fremont-Minema NF, Oregon, USA

Rob Tilley / Moon over Brown Mountain reflected in Lake of the Woods, Fremont-Minema NF, Oregon, USA

Ross Hoddinott / River Dart flowing under bridge at Chase Woods, near Buckland in the Moor, Dartmoor, Devon, UK.

Ross Hoddinott / Moss and lichen, mixed species, Wistman's Woods, Dartmoor, Devon, UK. March

Niall Benvie / A group of Estonian school children in the woods learning about nature, Tartumaa, Estonia

Niall Benvie / A group of Estonian school children in the woods learning about nature, Tartumaa, Estonia

Niall Benvie / A group of Estonian school children in the woods learning about nature, sitting down eating and drinking, Tartumaa, Estonia

Niall Benvie / A group of Estonian school children in the woods learning about nature, Tartumaa, Estonia

Niall Benvie / A group of Estonian school children in the woods pretending to be bears, Tartumaa, Estonia