Espen Bergersen / Aerial shot of a Killer whale (Orcinus orca) spyhopping several times close to land, with people watching and taking pictures, Sommaroy, Troms. Norway, January.

Michael Hutchinson / Male Marsh fritillary butterfly (Euphydryas aurinia) displaying to a female on a Buttercup (Ranunculus) flower, Devon, England, UK, June.

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

Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two adults brooding chicks. One chick exhibiting aggression towards other. Atka Bay, Antarctica. September.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two adults with chicks aged six to eight weeks. Atka Bay, Antarctica. September.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged six to eight weeks stretching whilst on brooding parent's feet. Adult looking down at chick. Atka Bay, Antarctica. September.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged six to eight weeks near adult's feet. Atka Bay, Antarctica. September.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged six to eight weeks, portrait. Atka Bay, Antarctica. September.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two chicks aged six to eight weeks huddling together. Atka Bay, Antarctica. September.

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

David Perpinan / Male Lapwing (Vanellus vanellus) arriving at nest to incubate eggs, female leaves, Scottish Borders, Scotland, UK, June.

Pal Hermansen / Artwork 'Give colours to the food-desert' by by Benedicte Lyssand. Purple tansy (Phacelia tanacetifolia) planted in corrected perspective of stripes 2m in foreground 7m in distance. Valer, Ostfold Cou...

David Pattyn / Gannet (Morus bassanus) coming in to land in the colony in evening light, Great Saltee, Saltee Islands, County Wexford, Ireland, June

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

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

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...

Jurgen Freund / Mud crab (Scylla serrata) in shallow sandy water. Split level with island and thatched house on stilts. Moromahu Island, Wakatobi, South Sulawesi, Indonesia. Second Place in the Portfolio Award of the...

Jurgen Freund / Split level view of coral reef, Komodo National Park, Flores, Lesser Sunda Islands, Indonesia. Second Place in the Portfolio Award of the Terre Sauvage Nature Images Awards Competition 2015.

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

Joris van Alphen / Montagu's harrier (Circus pygargus) preparing to land at her nest, clasping a songbird. Viewed from below. Groningen, the Netherlands. July.

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

George Sanker / Great egret (Ardea alba) taking off with fish prey in mouth, Myakka River State Park, Florida, USA, March.

Andrew Parkinson / Brown hare (Lepus europaeus) adult female skidding to a halt in a snow covered field, Derbyshire, UK, March.

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

Brandon Cole / Sockeye salmon (Oncorhynchus nerka) from behind whilst on migration to spawning ground. Adams River, British Columbia, Canada, October 2014

Espen Bergersen / European elk / Moose (Alces alces) feeding close to a house. Troms, Northern Norway. May

Chris & Monique Fallows / Long-beaked common dolphin (Delphinus capensis) school off the coast of False Bay, with dramatic sky, South Africa, May.

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.

Enrique Lopez-Tapia / Hippopotamus (Hippopotamus amphibius) charging against boat on Lake Chamo. Nechisar National Park. Ethiopia, November 2014

Jurgen Freund / Wangi Falls at night illuminated by moonlight, Litchfield National Park, Northern Territory, Australia. December 2012.

Jurgen Freund / Split level of large Purple crown jellyfish (Netrostoma setouchina) in shallows of mangroves. Mali Island, Macuata Province, Fiji, South Pacific.

Claudio Contreras / American coot (Fulica americana americana) in mist, with Popocatepetl volcano behind, Xochimilco wetlands, Mexico City, Mexico. November.

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

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), engaged in mating display. South Georgia Island, Southern Ocean.

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

Stephen Dalton / View to South Downs over farmland, Sussex, England, UK. October.

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 / Gannet (Sula bassana) diving, July UK Shetland.

Floris van Breugel / Bald eagle (Haliaeetus leucocephalus) flying in front of the massive wall of ice, Margerie Glacier, Glacier Bay National Park, Alaska, USA, August 2014.

Espen Bergersen / Humpback whale (Megaptera novaeangliae) with fin above water, Andfjorden close to Andoya, Nordland, Northern Norway. January.

Espen Bergersen / Humpback whales (Megaptera novaeangliae) and Killer whale (Orcinus orca) feeding on a bait ball of Herring. Andfjorden close to Andoya, Nordland, Northern Norway. January.

Jordi Chias / Juvenile Green turtle (Chelonia mydas) swimming near the surface, split level view, Fakarava atoll lagoon, Tuamotu Archipelago, French Polynesia, Pacific Ocean.

Willem Kolvoort / White waterlily (Nymphaea alba) in Naardermeer bog lake, Holland. May.

David Noton / Dawn over the mountains and Nam Song River at Vang Vieng, Laos, March 2009.

David Noton / Canoes on the moored on the Nam Song River at Vang Vieng, Laos, March 2009.

David Noton / The Pont St-Benezet, Palais des Papes and Rhone River at dusk, Avignon, Provence, France, October 2012.

Richard Robinson / Hector's dolphin (Cephalorhynchus hectori) Akaroa Harbour, South Island, New Zealand, November.