1116-52824 - Young woman walking past an historical deep ocean, research submarine on display on the waterfront at George Town, Grand Cayman, Cayman Islands, Caribbean

1200-522 - Eurasian brown bear (Ursus arctos arctos) sub-adults play fighting in cotton grass meadow, Finland, Europe

1174-11456 - A sub-adult male Lion, Panthera leo, standing on a rock, Londolozi Wildlife Reserve, Sabi Sands, South Africa

1174-11322 - A cheetah and her sub adult cub, sit together on a termite mound.

1113-106183 - Pensioners on the subway with warning notices in the foreground, Toyko, Japan

1113-106051 - Evening shot of traffic and the classic London Underground sign. Shot in Piccadilly Circus in London, UK.

860-289980 - Tail of Blue whale (Balaenoptera musculus brevicauda) is the largest animal ever known to have existed. This may be the pygmy sub-species of blue whale, Balaenoptera musculus. Mirissa, Sri Lanka, Indian Ocean Photo taken under permit

1350-286 - Polar Bear (Ursa maritimus) in fireweed (Epilobium angustifolium) on an island off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada. Bears come to spend the summer loafing on the island and looking for a careless seal or dead whale to wash up. Global warming has shortened their winter so they are increasingly looking for food in the summer.

1350-265 - Polar Bear (Ursa maritimus) in fireweed (Epilobium angustifolium) on an island off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada.

1350-280 - Polar Bear (Ursa maritimus) in fireweed (Epilobium angustifolium) on an island off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada. Bears come to spend the summer loafing on the island and looking for a careless seal or dead whale to wash up. Global warming has shortened their winter so they are increasingly looking for food in the summer.

1350-256 - Polar Bear (Ursa maritimus) in fireweed (Epilobium angustifolium) on an island off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada. Bears come to spend the summer loafing on the island and looking for a careless seal or dead whale to wash up. Global warming has shortened their winter so they are increasingly looking for food in the summer.

1350-274 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-264 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-211 - Drifting pack ice silhouette against sunset clouds reflected in Hudson Bay near Churchill Manitoba Northern Sub-arctic Canada

1350-244 - Polar Bear (Ursa maritimus) in fireweed (Epilobium angustifolium) on an island off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada. Bears come to spend the summer loafing on the island and looking for a careless seal or dead whale to wash up. Global warming has shortened their winter so they are increasingly looking for food in the summer.

1350-246 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-284 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-275 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-200 - Polar Bear (ursus maritimus) with relaxed yawn in Fireweed (Epilobium angustifolium) on sub-arctic flower covered island at Hubbart Point, Hudson Bay, near Churchill, Manitoba, Northern Canada..

1350-218 - Young red fox kit ( Vulpes vulpes ) portrait near Churchill Manitoba Hudson Bay Northern Sub-arctic Canada

1350-294 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-320 - Polar Bear (Ursa maritimus) in fireweed (Epilobium angustifolium) on an island off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada.

1350-199 - Polar Bear (ursus maritimus) relaxing in Fireweed (Epilobium angustifolium) on sub-arctic flower covered island at Hubbart Point, Hudson Bay, near Churchill, Manitoba, Northern Canada..

1350-292 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-216 - Wary young red fox kit ( Vulpes vulpes ) napping near boreal den near Churchill Manitoba Hudson Bay Northern Sub-arctic Canada

1350-201 - Mother Polar Bear (ursus maritimus) with cubs dripping on ice in sub-arctic Wager Bay near Hudson Bay, Churchill area, Manitoba, Northern Canada

1350-318 - Polar Bear (Ursa maritimus) on sea ice off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada. Bears come to the coast of Hudson Bay in Fall waiting for the ice to freeze, and looking for a careless seal or dead whale to wash up. Global warming has shortened their winter so they are increasingly anxious as they wait for winter. While they wait, they engage in frequent wrestling matches to determine a mating hierarchy for the breeding season in March and April, and regularly check on the ice to see if it will carry them out to sea.

1350-287 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-268 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-289 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-255 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-202 - Mother Polar Bear (ursus maritimus) with cub shaking off water halo on rocky cliff in sub-arctic Wager Bay near Hudson Bay, Churchill area, Manitoba, Northern Canada

1350-266 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-319 - Polar Bear (Ursa maritimus) in fireweed (Epilobium angustifolium) on an island off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada.

1350-253 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-261 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-254 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-279 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-257 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1350-262 - Polar Bear (Ursa maritimus) on sub-arctic Hudson Bay ice and snow, Churchill, MB, Canada

1176-1042 - Critically Endangered Nicaraguan sub-species of the Black-handed (Geoffroy's) spider monkey (Ateles geoffroyi geoffroyi), El Salvador, Central America

860-287902 - Sub-adult sperm whale try to move away a calf to to mate with a female, (Physeter macrocephalus), Vulnerable (IUCN), The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Image has been shot in Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.

860-287920 - Sub-adult sperm whale try to move away a calf to to mate with a female, (Physeter macrocephalus), Vulnerable (IUCN), The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Image has been shot in Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.

860-287921 - Sub-adult sperm whale try to move away a calf to to mate with a female, (Physeter macrocephalus), Vulnerable (IUCN), The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Image has been shot in Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.

1116-42990 - Steams From The Hot Springs Run Off In Sub Zero Winter, Chena Hot Springs Resort, Fairbanks, Alaska, United States Of America

1116-42992 - Close Up Of American Alligator (Alligator Mississippiensis) Resting On A Log In St. Johns River, Blue Spring State Park, Orange City, Florida, United States Of America

1241-165 - Mist rising off the waters of the Bow River in sub-zero winter weather, Canmore, Alberta, Canadian Rockies, Canada, North America

1241-166 - Mist rising off the waters of the Bow River in sub-zero winter weather, Canmore, Alberta, Canadian Rockies, Canada, North America

743-1730 - Impala, Aepyceros melampus, sub-adult male, iMfolozi game reserve, KwaZulu-Natal, South Africa

860-286684 - Blue whale Balaenoptera musculus brevicauda is the largest animal ever known to have existed. This may be the pygmy sub-species of blue whale, Balaenoptera musculus. Mirissa, Sri Lanka, Indian Ocean

832-381580 - Lion (Panthera leo), sub-adult male walking through grass, Etosha National Park, Namibia, Africa

1112-3751 - Adult blue whale (Balaenoptera musculus), sub-surface feeding off the western coast of Spitsbergen, Svalbard Archipelago, Arctic, Norway, Europe

1112-3552 - Zodiac near Type D (sub-Antarctic) killer whale (Orcinus orca), in the Drake Passage, Antarctica, Polar Regions

1112-3553 - A very rare sighting of Type D (sub-Antarctic) killer whales (Orcinus orca) in the Drake Passage, Antarctica, Polar Regions

1112-3548 - A Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

1112-3554 - An adult bull Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

1112-3551 - Adult Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

1112-3549 - Adult bull Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

1112-3550 - Zodiac near Type D (sub-Antarctic) killer whale (Orcinus orca), in the Drake Passage, Antarctica, Polar Regions

1112-3547 - A very rare sighting of Type D (sub-Antarctic) killer whales (Orcinus orca), in the Drake Passage, Antarctica, Polar Regions

1112-3546 - A young Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

1112-3545 - A young Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

857-94794 - Aerial photograph of A clear blue sub-alpine lake in British Columbia, Canada.

1200-79 - European Brown Bear (Ursus arctos arctos) sub-adults, play fighting on swamp, Suomussalmi, Finland, Europe

826-678 - Alert polar bear (Ursus maritimus) on the rocky, sub-arctic shoreline of the Hudson Bay north of Churchill in Manitoba, Canada, North America

826-677 - Alert polar bear (Ursus maritimus) on sub-arctic tundra grassland north of Churchill in Manitoba, Canada, North America

741-5378 - A sub-adult male lion (Panthera leo) feeding on a buffalo kill, Tsavo, Kenya, East Africa, Africa

746-62673 - Immersion, Farasan Island, Red Sea, Saudi Arabia, Middle East

746-62820 - Underwater, Ustica, Ustica island, Sicily, Italy

741-5118 - Two African elephants (Loxodonta africana) female and a sub-adult, Khwai Concession, Okavango Delta, Botswana, Africa

846-2653 - Kayaking on the Iguazu River past sub-tropical rainforest, near Andresito, Iguazu National Park, Misiones Province, Argentina, South America

1219-158 - Adult golden eagle (Aquila chrysaetos), talons attached to prey during a snow blizzard and sub zero winter temperatures, Taiga Forest, Finland, Scandinavia, Europe

857-91868 - Ice crystals form on a window during sub zero temperatures on December 14, 2008 in Fort Collins, Colorado.

857-91867 - Ice crystals form on a window during sub zero temperatures on December 14, 2008 in Fort Collins, Colorado.

911-10884 - Gunfleet Sands offshore wind farm, including the sub station is owned and operated by Dong energy. It consists of 48 turbines off Brightlingsea in essex, UK, and has a capacity of 172 MW, enough to power 125,000 homes

1161-8653 - Sunlight through old olives trees (Olea europaea) in olive grove for traditional olive oil in sub-tropical climate of Corfu, Greek Islands, Greece, Europe

1161-8654 - Sunlight through old olives trees (Olea europaea) in olive grove for traditional olive oil in sub-tropical climate of Corfu, Greek Islands, Greece, Europe

860-285888 - Sub adult male lion in the tall grass, Kalahari Botswana

911-10219 - A Southern Giant Petrel, Macronectes giganteus, flying in the Drake Passage, Sub-Antarctic.

911-9997 - A Wandering Albatross; Diomedea exulans, the bird with the largest wing span on the planet, at around 11 feet 6 inches, flying in the Drake Passage, Sub-Antarctic.

911-10007 - A Black Browed Albatross; Thalassarche melanophrys, flying in the Drake Passage, Sub-Antarctica.

832-374888 - King penguins (Aptenodytes patagonicus), St. Andrews Bay, South Georgia, sub-Antarctic and Antarctic

832-374890 - King penguins (Aptenodytes patagonicus), St. Andrews Bay, South Georgia, sub-Antarctic and Antarctic

832-374889 - King penguins (Aptenodytes patagonicus), St. Andrews Bay, South Georgia, sub-Antarctic and Antarctic

743-1141 - Pride male liion (Panthera leo) with sub adult male, Kgalagadi Transfrontier Park, South Africa, Africa

832-346477 - Graffiti, soccer players Ronaldo, Ronaldinho, wall of a building, Eastern Berlin, Germany

799-2561 - The Somerset Levels covered in morning frost, Westbury-Sub-Mendip, Somerset, England, United Kingdom, Europe

465-3125 - Two sub adult North American Timber wolves (Canis lupus) in snow, Austria, Europe

743-1070 - Lion sub-adults (Panthera leo), Kgalagadi Transfrontier Park, South Africa, Africa

1161-186 - Topi (left) watched by a Kongoni (Coke's Hartebeest) which is a sub-species of the Red Hartebeest, Serengeti, Tanzania

832-125236 - Gas holder, Kokerei Prosper coking plant with a large poster of the IGBCE trades union with a lettering "Unsere Kohle hat Zukunft", German for "Our coal industry has a future", protest against the closure of coal plants in Germany and the reduction of sub

832-125237 - Gas holder, Kokerei Prosper coking plant with a large poster of the IGBCE trades union with a lettering "Unsere Kohle hat Zukunft", German for "Our coal industry has a future", protest against the closure of coal plants in Germany and the reduction of sub

832-106807 - Sub Seattle, logo, underground tour event, Seattle, Washington, USA

1001-206 - Scarce footman (Eilema complana), North West Bulgaria, EuropeFamily Arctiidae;Sub family Lithosiinae

1001-365 - Elephant hawk-moth (Deilephila elpenor), North West Bulgaria, EuropeFamily Sphingidae;Sub family Macroglossinae;Tribe Macroglossini;Sub tribe Choerocampina

1001-127 - Oak yellow underwing moth (Catocala nymphagoga), Bulgaria, EuropeFamily Noctuidae;Sub family Catocalinae;

1001-111 - Small elephant hawk-moth (Deilephila porcellus), North West Bulgaria, EuropeFamily Sphingidae;Sub family Macroglossinae;Tribe Macroglossini;Sub tribe Choerocampina

1001-255 - Hoverfly (Syrphidae), North West Bulgaria, EuropeOrder Diptera (true flies);Sub-order Cyclorrhapha

1001-246 - True browns (Elymniini), North West Bulgaria, EuropeFamily Nymphalidae;Sub family Satyrinae

1001-301 - Hoverfly (Syrphidae), North West Bulgaria, EuropeOrder Diptera (true flies);Sub-order Cyclorrhapha