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

Steven Kazlowski / Inupiaq subsistence whalers paddle their umiak, or bearded seal skin boat, to find passing bowhead whales traveling through the open lead, during spring whaling season. Chukchi Sea, offshore from Barr...

Steven Kazlowski / Inupiaq subsistence whalers bring their umiak - bearded seal skin boat - back onto the edge of an open lead in the pack ice, during spring whaling season. Chukchi Sea, offshore from Barrow, Arctic coa...

Steven Kazlowski / Inupiaq subsistence whalers in their umiak - bearded seal skin boat - watch a polar bear (Ursus maritimus) sow and cub travel along the edge of the open lead in the pack ice, during spring whaling sea...

Steven Kazlowski / Inupiaq subsistence whalers paddle their umiak - or bearded seal skin boat - and break thin ice forming in the open lead, allowing for passing bowhead whales during spring whaling season. Chukchi Sea,...

Steven Kazlowski / Inupiaq subsistence whalers get into their umiak - or bearded seal skin boat - in order to break thin ice forming in the open lead, allowing for passing bowhead whales during spring whaling season. Ch...