Pedro Narra / Man and woman undertaking monitoring work measuring Green turtle (Chelonia mydas) nests as the the female digs it, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes M...

Juan Carlos Munoz / People exploring underground lakes via rigid inflatable boat, Cross Cave (Krizna jama) under Cross Mountain, Green Karst, Slovenia, October 2014.

David Pattyn / Black necked grebe (Podiceps nigricollis) adult in breeding plumage photographed at night with the reflection of street lights in the water. The Netherlands. March 2014. Winner of the Telephoto catego...

Sam Hobson / Fallow deer (Dama dama) buck crossing road under street lights. London, UK. January.

Sam Hobson / Young urban Red fox (Vulpes vulpes). Bristol, UK. August.

Jean E. Roche / Bull run, with Camargue bulls leaping over hay bales, Camargue, France, July 2012.

Mark Taylor / Guildford flooded by River Wey at night, during the 2013 Christmas floods. Surrey, England, 25th December 2013. Digitally enhanced image.

Tom Gilks / Tanzanian boys doing homework using oil lamp, Tanzania.

Alex Mustard,Alex Mustard / A diver and a hydrothermal chimney. Note that he is obscured by the different temperature waters (from the chimney and the surrounding water) which are unable to mix. The sea water was 4 degrees Celsi...

Franco Banfi / Scuba diver and yellow sponges (Aplysina cavernicola) on Brioni Steamship wreck, Vis Island, Croatia, Adriatic Sea, Mediterranean. Model released.

Milan Radisics / Ducks silhouetted at night on Heroes Square, Budapest, July 2009

Inaki Relanzon / Potholer exploring the Graller del Boixaguer cave, Montsec mountains, Pyrenees, Catalonia, Spain, May 2012. Model released.

Sue Daly / Diver on the wreck of HMNZS Canterbury, Bay of Islands, New Zealand. February 2013. Model released.

Ashley Cooper / Dalit woman / untouchable woman in her hut, illuminated by an electric light, powered by an A4 sized solar panel, that charges a battery, and enables her to have light. Karnataka, India. December 2013

Ashley Cooper / Dalit woman / untouchable woman in her hut, illuminated by an electric light, powered by an A4 sized solar panel, that charges a battery, and enables her to have light. Karnataka, India. December 2013

Ashley Cooper / Young boy doing homework in house lit by electricity from battery. Batteries are solar charged from WWF project to supply electricity to a remote island in the Sunderbans, Ganges Delta, India. Decembe...

Ernie Janes / Street lighting, Houses of Parliament and Big Ben silhouetted, Westminster, London, England, UK, November.

Tony Wu / Yellow elephant ear sponge (Ianthella basta) with unique lighting to make it resemble a sculpture, Hornbill Channel in Milne Bay, Papua New Guinea.

Peter Lewis / Aerial view of River Thames and London, lit at night, England, UK. October 2014.

Kirkendall-Spring / Camper reading inside tent above Island Lake, Wind River Range, Bridger Wilderness, Bridger National Forest, Wyoming, USA. September 2015. Model released.

Kirkendall-Spring / Moon rising over campsite, Toleak Point, Olympic National Park, Washington, USA. August 2015. Model released.

Matthew Maran / Hedgehog (Erinaceus europaeus) at night, illuminated by torchlight, Hampstead Heath, London, England, UK. September.

Matthew Maran / Hedgehog (Erinaceus europaeus) which has been released after it was weighed, sexed and tagged for conservation work seen at night by torchlight, Hampstead Heath, London, England, UK.

Matthew Maran / Scientists weighing, sexing and tagging Hedgehog (Erinaceus europaeus) for conservation work, Hampstead Heath, England, UK, September 2015.

Jeff Rotman / Cannabis plants growing under artificial light, in organic Marijuana farm, Pueblo, Colorado, USA, June 2015. . Marijuana has been legalized in the state of Colorado, and this farm produces Marijuana...

Nick Upton / James Shipman inspecting a Serotine bat (Eptesicus serotinus) with a numbered ring he fitted a year earlier, caught during an autumn swarming survey run by the Wiltshire Bat Group, near Box, Wiltshire...

Nick Upton / Laura Hammerton using a spring balance to weigh a Daubenton's bat (Myotis daubentonii) during an autumn swarming survey run by Wiltshire Bat Group, Box Mine, Wiltshire, UK, September. Model released.

Alex Mustard / Diver swimming through Tolberone Tunnel, a triangular tunnel through the middle of an island in Raja Ampat. Giant barrel sponges (Xestospongia muta) growing on the floor of the tunnel, which have an u...

Staffan Widstrand / Wild Wonders of China / Striated swallow (Cecropis striolata) nest on top of a modern lightbulb, Tangjiahe National Nature Reserve, Sichuan province, China. April.

Sven Zacek / Aerial view of Tallinn, the Capital of Estonia at night, with Charles' Church in the foreground, Estonia, October 2013.

Konrad Wothe / German wildlife photographer Konrad Wothe, at work in the Peruvian rainforest at night, Panguana, Amazonian Basin, Peru. Model released

Enrique Lopez-Tapia / Lalibela street at dusk. Ethiopia, December 2014.

Kirkendall-Spring / Campsite at night with city lit up below, Three Fingers Lookout, Boulder River Wilderness, Mount Baker-Snoqualmie National Forest, Washington, USA. August 2014.

David Pattyn / European red fox (Vulpes vulpes crucigera) foraging at night on road lit by streetlights. Gran Paradiso National Park, Italy. December

Philip Stephen / Fishing vessel 'Ocean Harvest' trawling at dusk, North Sea, May 2014. Property released. All non-editorial uses must be cleared individually.

Erlend Haarberg / Street lights in Lysebotn at night viewed from Kjerag, Lysefjorden, Forsand, Rogaland, Norway, June 2012.

Kirkendall-Spring / Campsite at night in Snowy Lakes Basin, glow of forest fire on the horizon. North Cascades area of the Okanogan Wenatchee National Forest, Washington, USA, July 2014. Model released.

Sam Hobson / Young urban Red fox (Vulpes vulpes) lying in road with street lights behind. Bristol, UK, August.

Sam Hobson / Young urban Red fox (Vulpes vulpes) poking its head up over a wall. Bristol, UK, August. Finalist in the Urban category of the Wildlife Photographer of the Year Awards (WPOY) Competition 2016.

Sam Hobson / Fallow deer (Dama dama) buck crossing road in front of bus stop. London, UK. January.

Sam Hobson / Fallow deer (Dama dama) feeding next to bus stop. London, UK. January.

Sam Hobson / Fallow deer (Dama dama) looking out at busy road. London, UK. January.

Sam Hobson / Fallow deer (Dama dama) running across urban park. London, UK. January.

Sam Hobson / Peregrine falcon (Falco peregrinus), female in flight with street-lamp in foreground. Bristol, UK. January.

Sam Hobson / Young urban Red fox (Vulpes vulpes) with street lights behind. Bristol, UK. August.

Sam Hobson / Fallow deer (Dama dama) beside bus stop and letterbox. London, UK. January.

Sam Hobson / Fallow deer (Dama dama) feeding beside parked cars. London, UK. January.

Sam Hobson / Fallow deer (Dama dama) herd standing on residential lawn. London, UK. January.

Sam Hobson / Young urban Red fox (Vulpes vulpes). Bristol, UK. August.

Olga Kamenskaya / Diver exploring Lake Baikal, Russia, December 2009.

Angelo Gandolfi / A view at night of the winding road that climbs over the Santa Catarina escarpment, Brazil. September 2010.

Angelo Gandolfi / A view at night of the winding road that climbs over the Santa Catarina escarpment, Brazil. September 2010.

Erlend Haarberg / Svolvaergeita pinnacle and Svolvaer town at night, with Northern Lights. Austvaagoey, Vaagan, Lofoten, Nordland, Norway. October 2012

Michael Pitts / British Admiralty anchor mid 1750's - possibly from the wreck of HMS Colossus, wrecked 1798. St Mary's Roads, Isles of Scilly, England, UK, August 2013.

Michael Pitts / Maritime archaeologist with a 18lb cannon from the wreck of a British warship HMS Colossus, wrecked 1798. St Mary's Roads, Isles of Scilly, UK, August 2013.

Michael Pitts / Maritime archaeologist on the wreck of the 1st rate man-of-war, HMS Invincible wrecked in 1758. Eastern Solent Channel. England, UK, May 2013. No release available.

Shattil & Rozinski / Great horned owl (Bubo virginianus) perched on top of a lamp post, Colorado, USA, January.

Mark Taylor / Guildford town centre, flooded by River Wey at night, during Christmas flooding 2013. Surrey, England, UK, 25th December 2013.

Mark Taylor / Guildford town centre, flooded by River Wey at night, during Christmas flooding 2013. Surrey, England, UK, 25th December 2013.

Mark Taylor / Road flooded by River Wey during Christmas 2013 flooding, Guildford. Surrey, England, UK. 25th December 2013.

Enrique Lopez-Tapia / Animal relief sculptures on mud of house wall, in indigenous Tharu village, Terai, Bardia National Park, October 2011.

Enrique Lopez-Tapia / Ants preying on beetle; these ants wait on light bulb to catch insects attracted to the light, Royal Chitwan National Park, Nepal.

Enrique Lopez-Tapia / Ants preying on beetle; these ants wait on light bulb to catch insects attracted to the light, Royal Chitwan National Park, Nepal.

Enrique Lopez-Tapia / Ants preying on beetle; these ants wait on light bulb to catch insects attracted to the light, Royal Chitwan National Park, Nepal.

Bernard Castelein / Standing's Day Gecko (Phelsuma standingi) on lamp, Ifaty, Madagascar

Neil Aldridge / Attracted to artificial light, Cranefly (Tipula paludosa) emerging from darkness and lands on window of house in Somerset, England. September.

Neil Aldridge / Street lights glowing red at roundabout outside Worcester, England. October.

Neil Aldridge / Street lights switched on at roundabout outside Worcester, England, showing that bulbs have been changed to red. October.

Milan Radisics / Female Red fox (Vulpes vulpes) walking along tree trunk in heavy fog at night. Light source behind the subject creates dramatic volumetric lighting. Vertes Mountains, Hungary.