Steven Kazlowski / Spirit bear (Ursus americanus) sow with dark cub walking on a log at high tide, along the coastal rainforest of the central British Columbia coast, Canada
01407521
Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub sliding on their backs over the pack ice, much like ice skating, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, USA
01363448
Steven Kazlowski / Polar bear (Ursus maritimus) curious cub stands along Bernard Spit as its mother and other cub rest in the background, 1002 area of the Arctic National Wildlife Refuge, Alaska, USA, October
01313208
Steven Kazlowski / Polar bear (Ursus maritimus) sow with newborn spring cub newly emerged from their den, mouth of Canning River along the Arctic coast, eastern Arctic National Wildlife Refuge, Alaska
01296285
Steven Kazlowski / Portrait of Polar bear (Ursus maritimus) sow standing with her cub on the snow in late winter, Arctic coast of Alaska
01296284
Steven Kazlowski / Polar bear (Ursus maritimus) sow standing with her cub outside their den in late winter, Arctic coast of Alaska
01296283
Steven Kazlowski / Polar bear (Ursus maritimus) sow with her cub outside their den in late winter, Arctic coast of Alaska, USA
01296282
Steven Kazlowski / Polar bear (Ursus maritimus) sow with her cub outside their den in late winter, Arctic coast of Alaska
01296275
Steven Kazlowski / Polar bear (Ursus maritimus) sow plays with her spring cub outside their den in late winter, Alaska
01296274
Steven Kazlowski / Polar bear (Ursus maritimus) sow plays with her spring cub outside their den in late winter, Alaska
01296271
Steven Kazlowski / Polar bear (Ursus maritimus) sow plays with her spring cub outside their den in late winter, Alaska
01296269
Steven Kazlowski / Portrait of Polar bear (Ursus maritimus) sow with spring cub, newly emerged from their den in late winter, Arctic coast, Alaska, USA
01296268
Steven Kazlowski / Polar bear (Ursus maritimus) sow with spring cub, newly emerged from their den in late winter, Arctic coast, Alaska, USA
01273187
Steven Kazlowski / Polar bear (Ursus maritimus) sow jumping while hunting for seals on sea ice, off the coast of Svalbard, Norway
01193979
Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub walking on multi-layer ice (freshwater pans formed over the years where the salt is squeezed out of the ice) on the Chukchi Sea, off the National Petroleum Res...
01194023
Steven Kazlowski / polar bear, Ursus maritimus, sow with newborn spring cubs newly emerged from their den, mouth of Canning River along the Arctic coast, eastern Arctic National Wildlife Refuge, Alaska
01193985
Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub walking on multi-layer ice (freshwater pans formed over the years where the salt is squeezed out of the ice) on the Chukchi Sea, off the National Petroleum Res...
01193984
Steven Kazlowski / Polar bear (Ursus maritimus) sow with cub walking on multi-layer ice (freshwater pans formed over the years where the salt is squeezed out of the ice) on the Chukchi Sea, off the National Petroleum Re...
01193982
Steven Kazlowski / Polar bear (Ursus maritimus) sow with cub swimming towards ice on the Chukchi Sea, off the National Petroleum Reserves, Alaska
01193926
Steven Kazlowski / Polar bear (Ursus maritimus) sow with her cubs, newly emerged from their den on the Arctic coast, eastern Arctic National Wildlife Refuge, Alaska
00168749
Mark Raycroft / Black Bear (Ursus americanus) sow with yearling cub
01407539
Steven Kazlowski / Polar bear (Ursus maritimus) pair of adult sows play with one another on the pack ice during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA
01407534
Steven Kazlowski / Polar bear (Ursus maritimus) sows with cubs hang out on newly formed pack ice during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA
01407528
Steven Kazlowski / Polar bear (Ursus maritimus) sow on newly formed pack ice with spring cub playing in the water, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA
01407524
Steven Kazlowski / Polar bear (Ursus maritimus) sow on newly formed pack ice with spring cub playing in the water, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA
01407523
Steven Kazlowski / Polar bear (Ursus maritimus) female practises breaking a hole in the pack ice, in the 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, USA
01407522
Steven Kazlowski / Polar bear (Ursus maritimus) female practises breaking a hole in the pack ice, in the 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, USA
01407503
Steven Kazlowski / Grizzly bear (Ursus arctos horribils) sow sits in riverbed with a mountain range in background, east coast of Katmai National Park on the Alaskan peninsula, USA
01404953
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...
01363449
Steven Kazlowski / Polar bear (Ursus maritimus) broken legged sow with pair of spring cubs rest on newly formed pack ice along the arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, US...
01363484
Steven Kazlowski / Polar bear (Ursus maritimus) sow with spring cubs travel across newly formed pack ice during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, Alaska, USA, October
01363480
Steven Kazlowski / Polar bear (Ursus maritimus) pair of sows, one with a spring cub, greet one another on newly formed pack ice along the arctic coast in autumn, 1002 area of the Arctic National Wildlife Refuge, Alaska,...
01363446
Steven Kazlowski / Polar bear (Ursus maritimus) sow rolls around on newly formed pack ice along the arctic coast, 1002 Area of the Arctic National Wildlife Refuge, Alaska, USA, October
01363474
Steven Kazlowski / Polar bear (Ursus maritimus) sow stretches as she gets up from newly formed pack ice along the arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska, USA, October
01363475
Steven Kazlowski / Polar bear (Ursus maritimus) sow traveling across newly formed pack ice off the 1002 coastal area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, USA, October
01363450
Steven Kazlowski / Polar bear (Ursus maritimus) broken legged sow with pair of spring cubs rest on newly formed pack ice along the arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, US...
01363471
Steven Kazlowski / Polar bear (Ursus maritimus) sow with two spring cubs travel outside the arctic village of Kaktovik, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, Alaska, USA, October 2010
01363476
Steven Kazlowski / Polar bear (Ursus maritimus) female standing along Bernard Spit and off the 1002 coastal area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, USA, October
01363455
Steven Kazlowski / Polar bear (Ursus maritimus) broken legged sow and spring cub rest on newly formed pack ice along the arctic coast in autumn, 1002 area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, US...
01363454
Steven Kazlowski / Polar bear (Ursus maritimus) broken legged sow and spring cub rest on newly formed pack ice along the arctic coast in autumn, 1002 area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, US...
01363477
Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub along the arctic coast during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, Alaska, USA, October
01363459
Steven Kazlowski / Polar bear (Ursus maritimus) sow with playful spring cub on newly formed pack ice along the arctic coast in autumn, 1002 area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, USA, October
01363468
Steven Kazlowski / Polar bear (Ursus maritimus) sow rolls around and stretches on newly formed pack ice along the arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska, USA, October
01356024
Charlie Summers / Black Bear (Ursus americanus) sow and her cub balancing on a log. Anan Creek, Alaska, July.
01333823
Bruno D'Amicis / European Brown Bear (Ursus arctos) sow feeding on blueberries (Vaccinium myrtillus) in a mountain meadow. Western Tatras, Slovakia, September.
01333857
Bruno D'Amicis / European Brown Bear (Ursus arctos) sow with cubs feeding on spring grass on a mountain meadow. Western Tatras, Slovakia, June.
01333820
Bruno D'Amicis / European Brown Bear (Ursus arctos) sow with cub feeding on blueberries (Vaccinium myrtillus) in a mountain meadow. Western Tatras, Slovakia, September.
01333819
Bruno D'Amicis / European Brown Bear (Ursus arctos) sow with cubs feeding on Blueberries (Vaccinium myrtillus) in a mountain meadow. Western Tatras, Slovakia, September.
01333868
Bruno D'Amicis / European Brown Bear (Ursus arctos) sow with two-year-old cub on mountain slope. Western Tatras, Slovakia, June.
01333825
Bruno D'Amicis / European Brown Bear (Ursus arctos) sow with two cubs in a mountain meadow. Western Tatras, Slovakia, September.
01333824
Bruno D'Amicis / Alarmed European Brown Bear (Ursus arctos) sow standing on hind legs, cub at her feet. Western Tatras, Slovakia, September.
01333867
Bruno D'Amicis / European Brown Bear (Ursus arctos) sow nursing two-year-old cub on mountain slope. Western Tatras, Slovakia, June.
01313170
Steven Kazlowski / Polar bear (Ursus maritimus) sow with a pair of cubs aged 2 years, walking along a barrier island during autumn freeze up, Barter Island, 1002 area of the Arctic National Wildlife Refuge, Alaska
01313169
Steven Kazlowski / Polar bear (Ursus maritimus) sow with a cub aged two years, walking along a barrier island in search of food during autumn freeze up, Barter Island, 1002 area of the Arctic National Wildlife Refuge, A...
01313206
Steven Kazlowski / Aerial view of Polar bear (Ursus maritimus) sow with cub swimming towards multi-layered ice on the Chukchi Sea, off the National Petroleum Reserves, Alaska
01313204
Steven Kazlowski / View of Polar bear (Ursus maritimus) den from the inside, with claw marks visible (clawing the sides of the den keep it from icing over) Sow with newborn spring cubs had just left for the coast in sea...
01313203
Steven Kazlowski / Polar bear (Ursus maritimus) sow with two cubs resting along the Arctic coast, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska
01313201
Steven Kazlowski / Grizzly bear (Ursus arctos horribilis) sow walking along the Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska
01313211
Steven Kazlowski / Aerial view of Polar bear (Ursus maritimus) sow with cub walking on multi-layer ice (freshwater pans formed over the years where the salt is squeezed out of the ice) on the Chukchi Sea, off the Nation...
01313219
Steven Kazlowski / Polar bear (Ursus maritimus) sow with cubs resting on Bernard Spit in September, waiting for ice to form so they can hunt, Arctic National Wildlife Refuge, Alaska
01313227
Steven Kazlowski / Polar bear (Ursus maritimus) young plump sow plays with a spring cub on newly formed pack ice along the arctic coast, Arctic National Wildlife Refuge, Alaska, Beaufort Sea
01313232
Steven Kazlowski / Polar bear (Ursus maritimus) sow with spring cub feeds on "sugar snow" or the ice crystals formed on top of the snow, essentially taking a drink of water, outside their den. Winter, arctic coast of Al...
01313237
Steven Kazlowski / Polar bear (Ursus maritimus) sow hunting for seals amidst the sea ice floating off the coast of Svalbard, Arctic.
01313236
Steven Kazlowski / Polar bear (Ursus maritimus) sow hunting for seals on sea ice floating off the coast of Svalbard, Arctic
01296403
Steven Kazlowski / Female polar bear (Ursus maritimus) hunting for seals amidst the sea ice floating off the coast of Svalbard, in summer, Norway
01296398
Steven Kazlowski / Female Polar bear (Ursus maritimus) curiously checks out the sailboat and photographer, standing upright on hind legs, Svalbard, Norway. August 2009
01296397
Steven Kazlowski / Female Polar bear (Ursus maritimus) curiously checks out the sailboat and photographer, standing upright on hind legs, Svalbard, Norway. August 2009
01296396
Steven Kazlowski / Female Polar bear (Ursus maritimus) hunting seals on the sea ice, stops to check out the sailboat and photographer, standing upright on hind legs, Svalbard, Norway. August 2009
01296288
Steven Kazlowski / Portrait of Polar bear (Ursus maritimus) sow walking with her newly emerged cub, acclimatising on the snow in late winter, Arctic coast of Alaska
01296287
Steven Kazlowski / Polar bear (Ursus maritimus) sow walking with her newly emerged cub, acclimatising on the snow in late winter, Arctic coast of Alaska
01296286
Steven Kazlowski / Portrait of Polar bear (Ursus maritimus) sow walking with her newly emerged cub, acclimatising on the snow in late winter, Arctic coast of Alaska
01296281
Steven Kazlowski / Portrait of Polar bear (Ursus maritimus) sow with her cub outside their den in late winter, Arctic coast of Alaska
01296280
Steven Kazlowski / Portrait of Polar bear (Ursus maritimus) sow playing with her cub outside their den in late winter, Arctic coast of Alaska
01296279
Steven Kazlowski / Polar bear (Ursus maritimus) sow playing with her cub outside their den in late winter, Arctic coast of Alaska
01296278
Steven Kazlowski / Polar bear (Ursus maritimus) sow with cub sleeping outside their den in winter, Arctic coast of Alaska
01296277
Steven Kazlowski / Polar bear (Ursus maritimus) sow with cub drinking ice crystals formed on top of the snow, outside their den in winter, Arctic coast of Alaska
01296276
Steven Kazlowski / Polar bear (Ursus maritimus) sow walking over snow with her spring cub outside their den in late winter, Alaska
01296273
Steven Kazlowski / Polar bear (Ursus maritimus) sow plays with her spring cub outside their den in late winter, Alaska
01296272
Steven Kazlowski / Polar bear (Ursus maritimus) sow plays with her spring cub outside their den in late winter, Alaska
01296270
Steven Kazlowski / Polar bear (Ursus maritimus) sow with spring cub, newly emerged from their den in late winter, Arctic coast, Alaska, USA
01296267
Steven Kazlowski / Polar bear (Ursus maritimus) sow with spring cub, newly emerged from their den in late winter, Arctic coast, Alaska, USA
01273185
Steven Kazlowski / Rear view of Polar bear (Ursus maritimus) sow hunting for seals on sea ice, off the Svalbard coast, Norway, August 2009
01273184
Steven Kazlowski / Polar bear (Ursus maritimus) sow hunting for seals on sea ice, off the Svalbard coast, Norway, August 2009
01273182
Steven Kazlowski / Polar bear (Ursus maritimus) sow hunting for seals on sea ice floating off the Svalbard coast, Norway, Summer
01273188
Steven Kazlowski / Polar bear (Ursus maritimus) sow on sea ice hunting for seals, off the coast of Svalbard, Norway
01273246
Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub resting, on an island along the Svalbard coast, Norway
01273186
Steven Kazlowski / Polar bear (Ursus maritimus) sow hunting for seals on ice, off the Svalbard coast, Norway
01273189
Steven Kazlowski / Polar bear (Ursus maritimus) sow curled up on ice resting from hunting with a seal in the distance, Svalbard, Norway, August 2009
00438717
Michael Quinton / Grizzly Bear (Ursus arctos horribilis) sow, Alaska
00438716
Michael Quinton / Grizzly Bear (Ursus arctos horribilis) sow, Alaska
01241940
Steven Kazlowski / Polar bear (Ursus maritimus) collared adult sow plays with her spring cub on pack ice, Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, October 2008
01241884
Steven Kazlowski / Polar bear (Ursus maritimus) collared sow uses its extra sharp nose to looks for food along the Arctic coast, early autumn, 1002 area of the Arctic National Wildlife Refuge, Alaska, October 2008
01241918
Steven Kazlowski / Polar bear (Ursus maritimus) sow with two cubs rest on newly formed pack ice, early autumn, 1002 area of the Arctic National Wildlife Refuge, Arctic coast, Beaufort Sea, Alaska, October 2008
01241871
Steven Kazlowski / Polar bear (Ursus maritimus) collared sow nurses her spring cub out on the pack ice along the Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, Early autumn, Octobe...
01241873
Steven Kazlowski / Polar bear (Ursus maritimus) collared sow with spring cub resting in jumbled pack ice along the Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska, Early atumn, October 2008
01241920
Steven Kazlowski / Polar bear (Ursus maritimus) young plump sow play fighting with a spring cub on newly formed pack ice, Arctic National Wildlife Refuge, Arctic coast, Beaufort Sea, Alaska, October 2008
