Jami Tarris / Polar Bear (Ursus maritimus) hunting Bearded Seal (Erignathus barbatus) pup, Spitsbergen, Svalbard, Norway

Heike Odermatt / Bearded Seal (Erignathus barbatus) on ice floe, Magdalenefjorden, Svalbard, Norway

Jordi Chias / Chinstrap penguin (Pygoscelis antarcticus) carcass after leopard seal attack, Antarctic Peninsula, Antarctica.

Sven Zacek / Bearded seal (Erignathus barbatus) sunbathing on iceberg broken off from glacier. Kongsfjorden fjord, Spitsbergen, Norway. June 2014.

Staffan Widstrand / Bearded seal (Erignathus barbatus) hauled out on ice, Spitsbergen, Svalbard, Norway, September.

Ole Jorgen Liodden / Bearded seal (Erignathus barbatus) hauled out on ice, Spitsbergen, Svalbard, Norway, July.

Roy Mangersnes / Bearded seal (Erignathus barbatus) stretching flipper, on an ice floe, Spitsbergen, Svalbard, Norway, July.

Steven Kazlowski / Polar bear (Ursus maritimus) hunting a Bearded seal {Erignathus barbatus} resting on an iceberg in the Beaufort Sea, Arctic Ocean, Alaska

Hanne & Jens Eriksen / Bearded seal on ice {Erignathus barbatus} Svalbard, Norway north coast

Staffan Widstrand / Bearded seal swimming {Erignathus barbatus} Svalbard, Norway

Flip Nicklin / Bearded Seal (Erignathus barbatus) with head stained red from iron-rich soil sediments in which it forages for food, Svalbard, Norway

Tui De Roy / Bearded Seal (Erignathus barbatus) resting on ice floe near Wagon Way Glacier, Magdalenefjorden, Spitsbergen, Svalbard, Norwegian Arctic