Heike Odermatt / Walrus (Odobenus rosmarus), Svalbard, Norway

Heike Odermatt / New growth in recently burnt heathland, Netherlands

Heike Odermatt / Walrus (Odobenus rosmarus), Svalbard, Norway

Heike Odermatt / King Penguin (Aptenodytes patagonicus) trio, Saunders Island, Falkland Islands

Heike Odermatt / King Penguin (Aptenodytes patagonicus) chick begging for food, Saunders Island, Falkland Islands

Heike Odermatt / Gentoo Penguin (Pygoscelis papua), Falkland Islands

Heike Odermatt / Black-browed Albatross (Thalassarche melanophrys) pair courting, Saunders Island, Falkland Islands

Heike Odermatt / Rockhopper Penguin (Eudyptes chrysocome) group coming ashore, Falkland Islands

Heike Odermatt / Southern Elephant Seal (Mirounga leonina) pups, Sea Lion Island, Falkland Islands

Heike Odermatt / Black-browed Albatross (Thalassarche melanophrys) chick begging for food, Falkland Islands

Carol Walker / Head portrait of grey Lusitano stallion in southern Spain, Europe. May.

Carol Walker / RF - Head portrait of Red fox (Vulpes vulpes) licking lips in winter snow, Yellowstone, USA. January. (This image may be licensed either as rights managed or royalty free.)

Heike Odermatt / Boulders in fast flowing river with waterfall, Valle Verzasca, Ticino, Switzerland

Heike Odermatt / Creek, Valle Verzasca, Ticino, Switzerland

Cyril Ruoso / Greenhouse growing green peppers heated by geothermal spring, Hveragerdi, Iceland

Cyril Ruoso / Atlantic Puffin (Fratercula arctica) calling in front of den, Latrabjarg Cliff, West Fjords, Iceland

Cyril Ruoso / Atlantic Puffin (Fratercula arctica) displaying on the edge of Latrabjarg Cliff, West Fjords, Iceland

Cyril Ruoso / Common Eider (Somateria mollissima) male, Iceland

Cyril Ruoso / Common Eider (Somateria mollissima) male walking, West Fjords, Iceland

Cyril Ruoso / Common Eider (Somateria mollissima) female walking, West Fjords, Iceland

Cyril Ruoso / Common Eider (Somateria mollissima) female, West Fjords, Iceland

Cyril Ruoso / Common Eider (Somateria mollissima) male taking off, West Fjords, Iceland

Cyril Ruoso / Common Eider (Somateria mollissima) male flying, West Fjords, Iceland

Cyril Ruoso / Common Eider (Somateria mollissima) male wading through water, West Fjords, Iceland

Cyril Ruoso / King Eider (Somateria spectabilis) male, Iceland

Heike Odermatt / Iceberg, Yoldiabukta, Isfjorden, Svalbard, Norway

Heike Odermatt / Mountain and glacier with fog, Lilliehookbreen Glacier, Krossfjorden, Svalbard, Norway

Heike Odermatt / Coastal mountains, Heclahamna, Sorgfjorden, Svalbard, Norway

Heike Odermatt / Polar Bear (Ursus maritimus) with prey, Svalbard, Norway

Heike Odermatt / Polar Bear (Ursus maritimus) on ice floe, Svalbard, Norway

Heike Odermatt / Polar Bear (Ursus maritimus) on ice floe, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) on ice floe, Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus), Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) tusks, Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) on ice floe, Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) on ice floe, Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) on ice floe, Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Brunnich's Guillemot (Uria lomvia) nesting colony on cliff, Alkefjellet, Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Brunnich's Guillemot (Uria lomvia) nesting colony on cliff, Alkefjellet, Hinlopen Strait, Svalbard, Norway

Heike Odermatt / Polar Bear (Ursus maritimus) on coast, Murchisonfjorden, Nordaustlandet, Svalbard, Norway

Heike Odermatt / Polar Bear (Ursus maritimus) walking across open ground, Murchisonfjorden, Nordaustlandet, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) on ice using tusks as leverage, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) wet skin, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) on ice floe, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) climbing on ice floe, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus), Magdalenefjorden, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus) near coast, Magdalenefjorden, Svalbard, Norway

Heike Odermatt / Walrus (Odobenus rosmarus), Magdalenefjorden, Svalbard, Norway