Pal Hermansen / Walrus (Odobenus rosmarus) head, close-up. Svalbard, Norway. September.

Nick Garbutt / Walrus (Odobenus rosmarus) amongst group hauled out on shore. Spitsbergen, Svalbard, Norway. July.

Sven Zacek / Walruses (Odobenus rosmarus) fighting over a resting place on snow, Magdalenefjorden Fjord, Svalbard, Spitsbergen, Norway, June.

Sven Zacek / Walrus (Odobenus rosmarus) swimming towards a camera, Magdalenefjorden Fjord, Svalbard, Spitsbergen, Norway. June.

Franco Banfi / Walrus (Odobenus rosmarus) two swimming underwater, Spitsbergen, Svalbard Archipelago, Norway, Arctic Ocean. July.

Franco Banfi / Walrus (Odobenus rosmarus) two swimming underwater, Spitsbergen, Svalbard Archipelago, Norway, Arctic Ocean. July.

Franco Banfi / Walrus (Odobenus rosmarus) swimming underwater, Spitsbergen, Svalbard Archipelago, Norway, Arctic Ocean. July.

Franco Banfi / Walrus (Odobenus rosmarus) Spitsbergen, Svalbard Archipelago, Norway, Arctic Ocean. July.

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

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

Roy Mangersnes / Male Walrus (Odobenus rosmarus) at the surface, yawning, Svalbard, Norway. August.

Staffan Widstrand / Atlantic Walrus (Odobenus rosmarus) at surface, Svalbard, Norway, Arctic, September

Ole Jorgen Liodden / Walruses (Odobenus rosmarus) adult and young hauled on ice. Hinlopen, Svalbard, Norway, June.

Ole Jorgen Liodden / Walrus (Odobenus rosmarus) underwater view, Edgeoya, Svalbard, Norway, June.

Ben Cranke / Walrus (Odobenus rosmarus) portrait, Svalbard, Norway. July.

Sergey Gorshkov / Walrus (Odobenus rosmarus) on coast of Wrangel Island, Far Eastern Russia, September.

Staffan Widstrand / RF- Walrus (Odobenus rosmaris) close up head portrait, Svalbard, Norway. (This image may be licensed either as rights managed or royalty free.)

Andy Rouse / Male Walrus (Odobenbus rosmarus) in shallow water. Svalbard, Norway, August.

Andy Rouse / Walrus (Odobenbus rosmarus) colony discharging gas on beach. Svalbard, Norway, August 2011.

Andy Rouse / Walrus (Odobenbus rosmarus) in rough water. Svalbard, Norway, August.

Andy Rouse / Walrus (Odobenbus rosmarus) splashing through surf. Svalbard, Norway, August.

Ole Jorgen Liodden / Walrus (Odobenus rosmarus) with waves splashing. Spitsbergen, Svalbard, August.

Steven Kazlowski / Walrus (Odobenus rosmarus) young bull underwater, along Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Arctic Ocean, July

Steven Kazlowski / Walrus (Odobenus rosmarus) two young bulls, in waters along Spitsbergen and the northwestern coast of the Svalbard Archipelago, Norway, Arctic Ocean, July

Eric Baccega / Portrait of a Walrus (Odobenus rosmarus). Foxe Basin, Nunavut, Canada, July.

Eric Baccega / A female Walrus (Odobenus rosmarus) and her calf resting on ice. Foxe Basin, Nunavut, Canada, July.

Troels Jacobsen/Arcticphoto / Bull Walrus (Odobenus rosmarus) in coastal waters off Spitsbergen. Arctic Norway, June.

Steven Kazlowski / Walrus (Odobenus rosmarus) head portrait of bull in waters along the coast of Svalbard, Atlantic ocean.

Bryan and Cherry Alexander / Inuit hunter preparing to winch Walrus (Odobenus rosmarus) onto ice floe. Northwest Greenland, 1989.

Wild Wonders of Europe / Liodden / Two Walruses (Odobenus rosmarus) in water fighting, Richardlagunen, Forlandet National Park, Prins Karls Forland, Svalbard, Norway, June 2009

Wild Wonders of Europe / Liodden / Walrus (Odobenus rosmarus) portrait, Richardlagunen, Forlandet National Park, Prins Karls Forland, Svalbard, Norway, June 2009. WWE INDOOR EXHIBITION

Wild Wonders of Europe / Liodden / Three Walruses (Odobenus rosmarus) in water, Richardlagunen, Forlandet National Park, Prins Karls Forland, Svalbard, Norway, June 2009

Wild Wonders of Europe / de la Lez / Walrus (Obdobenus rosmarus) close-up of head, Prins Karls Forland, Svalbard, Norway, June 2008 WWE BOOK

Wild Wonders of Europe / Cairns / Three Walrus (Odobenus rosmarus) resting on sea ice, Svalbard, Norway, August 2009

Wild Wonders of Europe / Cairns / Walrus (Odobenus rosmarus) on sea ice, Svalbard, Norway, August 2009

Andy Rouse / Walrus (Odobenus rosmarus) pair on ice in landscape, Svalbard, Norway

Wild Wonders of Europe / Liodden / Walrus (Odobenus rosmarus) pair in shallow water, Richardlagunen, Forlandet National Park, Prins Karls Forland, Svalbard, Norway, June 2009

Wild Wonders of Europe / Liodden / Walrus (Odobenus rosmarus) on ice, Spitsbergen, Svalbard, Norway, June 2009. WWE INDOOR EXHIBITION. UNAVAILABLE FOR COMMERCIAL USE WITHOUT PRIOR CONSENT.

Wild Wonders of Europe / Liodden / Walrus (Odobenus rosmarus) lying on ice, Spitsbergen, Svalbard, Norway, June 2009

Wild Wonders of Europe / Liodden / Walrus (Odobenus rosmarus) on ice, Spitsbergen, Svalbard, Norway, June 2009

Mark Carwardine / Walrus (Odobenus rosmarus), Igloolik, Foxe Basin, Nunavut, Arctic Canada

Mark Carwardine / Tourists watching Walrus (Odobenus rosmarus) swimming near boat, Igloolik, Foxe Basin, Nunavut, Arctic Canada, 2007

Mark Carwardine / Walrus (Odobenus rosmarus) mother and pup swimming in the water, Igloolik, Foxe Basin, Nunavut, Arctic Canada

Mark Carwardine / Walrus (Odobenus rosmarus) mother and pup in the water together, Igloolik, Foxe Basin, Nunavut, Arctic Canada

Steven Kazlowski / walrus, Odobenus rosmarus, resting on pack ice during spring breakup, Chukchi Sea, off the National Petroleum Reserves, Alaska

Pete Oxford / Hunted Walrus {Odobenus rosmarus} being dragged ashore by Yupik Eskimos, Russia.

Staffan Widstrand / Portrait of Walrus {Odobenus rosmaris} asleep on shore, Chukotka, Russia.

Mike Potts / Large colony of Walrus {Odobenus rosmarus} beached at Round Island, Alaska.