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

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

Sylvain Cordier / Siberian Yupiks who have killed two walruses returning to their village by boat, Preobrazheniya Bay, Chukotka, Russia.

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

Ingo Arndt / Pacific walrus (Odobenus rosmarus divergens) bull in water, Round Island, Bering Sea, Bristol Bay, Alaska, USA

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