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

Tui De Roy / Bearded Seal (Erignathus barbatus) scratching its chin while resting on ice floe, Kongsfjorden, Spitsbergen, Svalbard, Norwegian Arctic

Flip Nicklin / Bearded Seal (Erignathus barbatus) male resting on ice floe with head dyed red from the high iron content of ocean mud in which he hunts for shrimp and clams, Svalbard, arctic Norway

Eric Baccega / Inuit man showing his son the breathing hole of a Bearded seal (Erignathus barbatus) on the ice floe, Ellesmere Island, Nanavut, Canada, June 2012. Model released.

Eric Baccega / Inuit man showing his son fur from a moulting young Bearded seal (Erignathus barbatus), Ellesmere Island, Nanavut, Canada, June 2012.

Ole Jorgen Liodden / Bearded Seal (Erignathus barbatus) resting on ice. Kongsfjorden, Svalbard, September.

Steven Kazlowski / Polar bear (Ursus maritimus) adult feeds on the carcass of a bearded seal pup (Erignathus barbatus) Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, July

Steven Kazlowski / Bearded seal (Erignathus barbatus) cow rests on sea ice floating along Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, July