Sergey Gorshkov / Pacific Walrus (Odobenus rosmarus divergens), Wrangel Island, Russia

Sergey Gorshkov / Polar Bear (Ursus maritimus) group scavenging on Pacific Walrus (Odobenus rosmarus divergens) carcass, Wrangel Island, Russia

Neil Lucas / Two walrus facing one another. {Odonbenus rosmarus} Round Island, Alaska

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

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

Matthias Breiter / Pacific Walrus (Odobenus rosmarus divergens) male portrait, Round Island, Alaska

Yva Momatiuk & John Eastcott / Pacific Walrus (Odobenus rosmarus divergens) bull portrait on coastal rocks in haul-out cove, summer, Round Island, Bering Sea, Bristol Bay, Alaska

Michio Hoshino / Pacific Walrus (Odobenus rosmarus divergens) group, Round Island colony, Alaska

Michio Hoshino / Pacific Walrus (Odobenus rosmarus divergens) portrait in large colony, Alaska

Michio Hoshino / Pacific Walrus (Odobenus rosmarus divergens) at rest in colony, Alaska

Michio Hoshino / Pacific Walrus (Odobenus rosmarus divergens) colony, Siberia, Russia

Ingo Arndt / Pacific Walrus (Odobenus rosmarus divergens) juvenile bull sleeping, Round Island, Bering Sea, Bristol Bay, Alaska