Andy Rouse / Maasai Giraffe (Giraffa camelopardalis tippelskirchi) silhouetted by beams of light from setting sun, Maasai Mara, Kenya, Africa. Winner of the African section of the Nature? Best Windland Smith Rice...

Andy Rouse / Polar Bear (Ursus maritimus) portrait in sea-ice landscape. Wide angle / fish-eye shot. Svalbard, Norway, September.

Doug Perrine / Bioluminescence from glowing plankton in sea tide line on beach, with stars above and ship lights on horizon, Vaadhoo Island, Raa Atoll, Maldives, Indian Ocean, October 2010

Anup Shah / Female Cheetah scans horizon for prey {Acinonyx jubatus} Masai Mara, Kenya

Laurent Geslin / Red fox (Vulpes vulpes) silhouetted, running along horizon, Switzerland

Aflo / Red fox (Vulpes vulpes) in snow at sunset, Hokkaido, Japan.

Guy Edwardes / Durdle Door, Dungy Head and Bats Head at sunset, Isle of Portland on horizon, Jurassic Coast, Dorset, England, UK. December 2014.

Guy Edwardes / Sunset at Kimmeridge Bay, Isle of Purbeck, Jurassic Coast, Dorset, England, UK. December 2010.

Guy Edwardes / View from Colmer's Hill over countryside with low lying mist, Bridport, Dorset, England, UK. April 2016.

Inaki Relanzon / Gentoo penguins (Pygoscelis papua) on the beach at sunset, Sea Lion Island, Falkland Islands.

Denis-Huot / Blue wildebeest (Connochaetes taurinus), migrating herd silhouetted on the horizon at sunset, Masai Mara Game Reserve, Kenya

Chris & Monique Fallows / Orca (Orcinus orca) breaching whilst hunting Common dolphin, False Bay, South Africa, April.

Chris & Monique Fallows / Dusky dolphins (Lagenorhynchus obscurus) porpoising, Puerto Madryn, Peninsula Valdez, Argentina, December.

David Pattyn / Children snorkelling in the sea and swimming with bottlenose dolphins (Tursiops truncatus) with boat approaching. Indian Ocean, Zanzibar, Tanzania, August 2014.

Benjamin Barthelemy / Long exposure of tidal water flowing off rocks, with the Okshornan Mountains in the background, Isle of Senja, Troms, Norway, February 2015.

Brandon Cole / Gray Whale (Eschrichtius robustus) near surface, Magdalena Bay, Baja, Mexico.

Mark Bowler / Aerial view of Yavari-Mirin River and oxbow lake and Amazon Rainforest, Peru, July.

Juan Carlos Munoz / Aerial view of waterfall on the coastline of Corcovado National Park, Osa Peninsula, Puntarenas Province, Costa Rica. December 2014.

Bruno D'Amicis / Sand viper (Cerastes vipera) sidewinding on sand dunes. Grand Erg Oriental, Kebili Governorate. Tunisia.

Ole Jorgen Liodden / Polar bear (Ursus maritimus) standing on ice floe, looking at camera. Svalbard, Norway. August.

Andy Rouse / Fish eye aerial view of autumnal forest, Finland, September.

Andy Rouse / Galapagos sea lion (Zalophus wollebaeki) silhouetted at sunset, Galapagos.

Ross Hoddinott / Kimmeridge Bay ledges at sunset, Dorset, UK. September 2014.

Ernie Janes / Fulmar (Fulmaris glacialis) in flight with Hunstanton, Norfolk, England, UK, February.

Enrique Lopez-Tapia / Karo boys with decorative skin painting. Karo tribe, Omo river, Ethiopia, November 2014

Enrique Lopez-Tapia / Karo boys with decorative skin painting.Territory of the Karo tribe. Omo river. Ethiopia, November 2014

Cyril Ruoso / European hedgehog (Erinaceus europaeus) at dusk, Picardy, France. Non-ex

Ole Jorgen Liodden / Polar bear (Ursus maritimus) walking across vast ice floe, Spitsbergen, Svalbard, July 2013.

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Pascal Kobeh / Sicklefin lemon shark (Negaprion acutidens) in the lagoon of Picard Island, Aldabra, Seychelles, Indian Ocean.

Espen Bergersen / Fluke of diving Humpback whale (Megaptera novaeangliae) with full moon low on the horizon during polar night time, with blow from second whale in the background, Kvaloya, Troms, Northern Norway. Novem...

Denis-Huot / Group of male African lions (Panthera leo) resting with storm clouds overhead, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Aerial view of African elephants (Loxodonta africana) and African buffalo (Syncerus caffer) at a water hole during the dry season, Tsavo East National Park, Kenya. October.

Denis-Huot / African elephant (Loxodonta africana) herd walking in the plains during the dry season, Masai-Mara Game Reserve, Kenya. October.

David Noton / Hot air balloon over the Temples of Bagan at dawn, Myanmar, November 2012.

Denis-Huot / Coalition of male Lions (Panthera leo) in grassland before storm, Masai-Mara game reserve, Kenya.

Denis-Huot / Wildebeest (Connochaetes taurinus) herd below stormy sky during migration, Masai-Mara game reserve, Kenya.

Denis-Huot / Lioness (Panthera leo) and Thomson's gazelles (Eudorcas thomsonii) silhouetted at sunset, Masai-Mara game reserve, Kenya.

Denis-Huot / Cheetah (Acinonyx jubatus) female standing below dark storm clouds, Masai-Mara game reserve, Kenya.

Ross Hoddinott / Sunset at Trebarwith Strand with incoming tide, North Cornwall, UK. March 2014.

Ben Cranke / European Herring Gulls (Larus argentatus) in flight at sunset Norway, May.

Benoit Stichelbaut / Fleet of Figaro Beneteau mono-sail yachts sailing in Tour de Bretagne a la Voile 2013, Lorient to Piriac stage, 7th September 2013, France. All non-editorial uses must be cleared individually.

Benoit Stichelbaut / Lighthouse at Pointe du Petit Minou, Finistere, Iroise Sea, France. June 2013. All non-editorial uses must be cleared individually.

Chris & Monique Fallows / Great white shark (Carchardon carcharias) breaching on seal decoy, False Bay, South Africa

Olga Kamenskaya / Car on thick Lake Baikal ice, Lake Baikal, Siberia, Russia, March. Property released.

Olga Kamenskaya / Ice pile of broken shelf ice, near the shore of Lake Baikal, Siberia, Russia, March.

Alex Hyde / Drystone walls near Litton, Peak District National Park, Derbyshire, UK, May.