David Shale / Deep sea Anglerfish {Himantolophus sp} female with lure projecting from head to attract prey, Atlantic ocean. Anglerfish have small poorly developed eyes but detect movement and prey through a well de...

Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) swimming close to surface. Brothers Islands, Egypt.

Alex Mustard / Split level image of Leather corals (Sarcophyton sp.) flourishing in shallow water close to uninhabited coral islands. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean...

Tony Wu / Humpback whale (Megaptera novaeangliae australis) male calf playing at ocean surface after coming up to breathe. Vava'u Islands, Tonga.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) preparing to jump over crack in sea ice. Atka Bay, Antarctica. August.

Franco Banfi / Sugar kelp (Saccharina latissima) near iceberg, view upwards to gap in sea ice. Tasiilaq, East Greenland. April.

Tui De Roy / Blue-footed booby (Sula nebouxii) coming in to land. Punta Vicente Roca, Isabela Island, Galapagos.

Tony Wu / Humpback whale (Megaptera novaeangliae australis) female, stationary with calf heading to surface for breath of air. Vava'u, Tonga, South Pacific.

Guy Edwardes / Sand dunes at Luskentyre with view to Taransay. Isle of Harris, Outer Hebrides, Scotland, UK. November 2016.

Guy Edwardes / Warbeth Beach, Stromness, Orkney with view to Hoy. Orkney Islands, Scotland, UK. August 2014.

Guy Edwardes / Warbeth Beach, Stromness, Orkney with view to Hoy. Orkney Islands, Scotland, UK. August 2014.

Michel Roggo / View of African fish eagle (Haliaeetus vocifer),from underwater, trying to catch a fish on the surface, Okavango Delta, Botswana, June. Photographed for The Freshwater Project

Alex Mustard / Grey seal (Halichoerus grypus) split level of young seal investigating the camera with its nose and whiskers, close to shore. Lundy Island, Devon, UK, Bristol Channel. August

SCOTLAND: The Big Picture / View across Sound of Taransay to North Harris hills in stormy weather , West Harris, Outer Hebrides, Scotland, UK, September 2014.

SCOTLAND: The Big Picture / Gannets (Morus bassanus) diving to feed on discarded fish, Shetland, Scotland, UK, April.

SCOTLAND: The Big Picture / Gannets (Morus bassanus) diving to feed on discarded fish, Shetland, Scotland, UK, April.

SCOTLAND: The Big Picture / Gannets (Morus bassanus) diving to feed on discarded fish, Shetland, Scotland, UK, April.

Tony Wu / Juvenile Australian sea lion (Neophoca cinerea) resting in shallows, possibly to thermoregulate, Carnac Island, Western Australia.

Espen Bergersen / Gulls (Laridae) seaching for food in water containing blood coming from a large fishing boat, Tromvik, Kvaloya, Troms, Norway, November 2014.

Graham Eaton / Coastal hexagonal columns of Basalt lava, Reynisdrangar, Iceland, March 2015.

Ben Hall / Orcas (Orcinus orca) pair in sea surrounded by mountains, Iceland, January.

Ben Hall / Galapagos sea lion (Zalophus wollebaeki) mother and young touching noses, Galapagos Islands, May

Pedro Narra / Green turtle (Chelonia mydas) two interacting at surface, Bissagos Islands, Guinea Bissau Endangered species. 3rd Place in the SOS Especes Menacees / SOS Endangered Species Portfolio category of the...

Pedro Narra / Green Turtle (Chelonia mydas) returning to sea, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes Menacees / SOS Endangered Species Portfolio category of the Terre Sau...

Pedro Narra / Green turtle (Chelonia mydas) returning to see after egg laying, e to open sea after digging nest. Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes Menacees / SOS End...

Wim van den Heever / Large pod of Bottlenose dolphins (Tursiops truncatus) porpoising over waves during annual sardine run, Port St Johns, South Africa. Runner up in the Animals in their Environment Category of the Wildl...

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

Cyril Ruoso / South american sea lion (Otaria byronia) and American fur seal (Arctocephalus australis) hauled out on the shore of Punta Coles Reserve, Peru.

Sven Zacek / Broken ice covered in snow at sunset, on the shore of Lake Vortsjarv, gathered to shore by extreme winds, Estonia. December 2014.

Franco Banfi / Walrus (Odobenus rosmarus) hauled out in shallow water, Spitsbergen, Svalbard Archipelago, Norway, Arctic Ocean. July.

Angelo Gandolfi / Gannets (Morus bassanus) courtship behavior on nest on abandoned boat, La Spezia Gulf, Italy. Mediterranean Sea. July.

SCOTLAND: The Big Picture / Pod of Bottlenose dolphins (Tursiops truncatus) surfacing just offshore, Black Isle, Scotland, UK, July.

Ross Hoddinott / Trevose Lighthouse at dusk, long exposure at high tide, Trevose, Cornwall, UK. January 2015.

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

Ernie Janes / Low tide on the Wash, Snettisham, Norfolk, England, UK, February.

Peter Cairns / Northern lights (Aurora borealis) over Skagsanden beach, Flakstadoya, Lofoten, Norway. March 2015.

Juan Carlos Munoz / 'Quest' ferry landing in Village Bay, St. Kilda, Outer Hebrides, Scotland, UK. All non-editorial uses must be cleared individually.

Franco Banfi / Rear view of a transatlantic cruise ship docked in Dominica, Caribbean. All non-editorial uses must be cleared individually.

Jurgen Freund / Leatherback turtle (Dermochelys coriacea) hatchlings running to the sea from nest. Jamursbamedi, West Papua, Irian Jaya, Indonesia.

Jurgen Freund / Green turtle (Chelonia mydas) hatchling swimming to the sea still in the shallows of the beach. Anano Island, Wakatobi, South Sulawesi, Indonesia

Ole Jorgen Liodden / Ice cliff of the Austfonna ice cap with melt water and ice crashing down to the sea, Svalbard, Norway, July 2012.

Erlend Haarberg / Rorbu houses in front of Festhelltinden mountain, Hamnoy, Moskenes, Lofoten, Norway, December.

Klein & Hubert / Chinstrap penguin (Pygoscelis antarcticus) walking, Antarctica

Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) accompanied by pilotfish (Naucrates ductor) as it cruises beneath the surface of the Red Sea, close to Little Brother Island. The Brothers Islands, Egy...

Andy Rouse / Gentoo penguin (Pygoscelis papua) walking on beach, Saunders Island, Falkland Islands.

Tui De Roy / Erect-crested penguins (Eudyptes sclateri) pair on coast, Proclamation Island, Bounty Islands, New Zealand Sub-Antarctic Islands. Endemic to Antipodes and Bounty Islands. Endangered species.

Constantinos Petrinos / Sunset reflected on the surface of the Aegean Sea on a calm day with a speedboat, Evia Island, Greece. July 2014.

Markus Varesvuo / Puffin (Fratercula arctica) silhouetted at sunset, Shetland Islands, Scotland, UK, July.