Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
01396844
Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
01396848
Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
01396859
Steven Kazlowski / Two curious young Polar bears (Ursus maritimus), Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011
01193925
Steven Kazlowski / Polar bear (Ursus maritimus) mother with cub, newly emerged from their den on the Arctic coast, eastern Arctic National Wildlife Refuge, Alaska
01604709
Sylvain Cordier / Polar bear (Ursus maritimus), female with two cubs, on a barrier island outside Kaktovik, Alaska, USA.
01537389
Steven Kazlowski / Polar bear (Ursus maritimus) silhouetted against setting sun, Bernard Spit, off the 1002 Area, Arctic National Wildlife Refuge, North Slope, Alaska, USA, October. Vulnerable species.
01537450
Steven Kazlowski / Polar bear (Ursus maritimus) portrait against sky at sunset, Bernard Spit, off the 1002 Area, Arctic National Wildlife Refuge, North Slope, Alaska, USA, September. Vulnerable species.
01499940
Steven Kazlowski / Photographer in front of Northern lights / Aurora borealis glowing brightly over the frozen eastern Beaufort Sea, Arctic National Wildlife Refuge, Alaska Model released.
01431481
Steven Kazlowski / Polar bear (Ursus maritimus) curious young boar on the newly frozen pack ice reaches for remote camera with paw, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Al...
01431476
Steven Kazlowski / Polar bear (Ursus maritimus) curious young male on the newly frozen pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska
01431445
Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) juvenile spreading body weight over thin newly forming pack ice, trying not to break through, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North...
01431421
Steven Kazlowski / Polar bear (Ursus maritimus) 3-year-olds play fighting on newly formed pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska
01431390
Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) juvenile rolling around on newly formed pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska
01431378
Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) portrait, female. Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska.
01431377
Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) curious adult head underwater, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska.
01431376
Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) young bear in freezing water during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, Beaufort Sea
01431374
Steven Kazlowski / Polar bear (Ursus maritimus) investigating camera on pack ice off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Beaufort Sea, autumn
01431364
Steven Kazlowski / Polar bear (Ursus maritimus) investigating camera on pack ice off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Beaufort Sea, autumn
01431359
Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) 4-5 year-old on pack ice, low angle shot, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Beaufort Sea, autumn
01431345
Steven Kazlowski / Polar bear (Ursus maritimus) curious young 2-year-old in water off a barrier island, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska
01431344
Steven Kazlowski / Polar bear (Ursus maritimus) curious young 2-year-old in water off a barrier island, its mother on the beach behind, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska
01431343
Steven Kazlowski / Polar bear (Ursus maritimus) curious young 2-year-old in water off a barrier island, its mother on the beach, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska
01407526
Steven Kazlowski / Polar bear (Ursus maritimus) adult walking over newly formed pack ice during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA
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
01407481
Steven Kazlowski / Grizzly bear (Ursus arctos horribils) walking on snow, 1002 coastal plain, Arctic National Wildlife Refuge, North Slope of Brooks Range, Alaska, USA
01396838
Steven Kazlowski / Green Aurora borealis over the Beaufort Sea, seen from the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011
01396843
Steven Kazlowski / Young Polar bear (Ursus maritimus) in the water along the coast of the Beaufort Sea, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
01396849
Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
01396855
Steven Kazlowski / Portrait of Polar bear (Ursus maritimus) cub along the Bernard Spit during autumn freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011
01396860
Steven Kazlowski / Young Polar bear (Ursus maritimus) traveling across newly formed pack ice during autumnal freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska,...
01363457
Steven Kazlowski / Polar bear (Ursus maritimus) curious cub sits up on its hind legs and tries to balance itself, along Bernard Spit in autumn, 1002 area of the Arctic National Wildlife Refuge, Alaska, USA, October
01363458
Steven Kazlowski / Polar bear (Ursus maritimus) curious cub sits up on its hind legs, paw raised, and tries to balance itself, along Bernard Spit in autumn, 1002 area of the Arctic National Wildlife Refuge, Alaska, US...
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
01313190
Steven Kazlowski / Northern lights (Aurora borealis) across the night sky, over the Beaufort Sea, off shore from the 1002 area of the Arctic National Wildlife Refuge, Alaska September 2009
01313191
Steven Kazlowski / Northern lights (Aurora borealis) across the night sky as the late summer midnight sun travels eastward, over the Beaufort Sea, off shore from the 1002 area of the Arctic National Wildlife Refuge, Ala...
01313187
Steven Kazlowski / Polar bear (Ursus maritimus) female with cubs aged two years, along a barrier island during fall freeze up, Barter Island, 1002 area of the Arctic National Wildlife Refuge, Alaska
01313184
Steven Kazlowski / Polar bears (Ursus maritimus) female with cubs aged two years travelling along a barrier island during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, Alaska
01313183
Steven Kazlowski / Photographers photographing of a group of curious Polar bears (Ursus maritimus) from motorboats along a barrier island during autumn freeze up, Barter Island, 1002 area of the Arctic National Wildlife...
01313176
Steven Kazlowski / Polar bear (Ursus maritimus) young male playing / rolling around in the snow along a barrier island during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, Alaska
01313175
Steven Kazlowski / Polar bear (Ursus maritimus) portrait of curious young male, covered in snow from rolling around / playing. On a barrier island during autumn freeze up, Bernard Spit, 1002 area of the Arctic National...
01313174
Steven Kazlowski / Polar bear (Ursus maritimus) young boar playing / rolling around in the snow along a barrier island during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, Alaska
01313209
Steven Kazlowski / Two Polar bear (Ursus maritimus) newborn cubs playing outside their den, mouth of Canning River along the Arctic coast, eastern Arctic National Wildlife Refuge, Alaska
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
01313216
Steven Kazlowski / Polar bear (Ursus maritimus) head portrait of adult scenting the wind, Arctic National Wildlife Refuge, Alaska
01313228
Steven Kazlowski / Polar bear (Ursus maritimus) juvenile shaking off snow after rolling around on the pack ice, arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea
01313222
Steven Kazlowski / Polar bear (Ursus maritimus) profile portrait of juvenile, Bernard Spit, Arctic National Wildlife Refuge, Alaska
01313249
Steven Kazlowski / Polar bear (Ursus maritimus) head close-up portrait of an adult male, with snowflakes on fur, Barter Island, 1002 area of the Arctic National Wildlife Refuge, Alaska
01313261
Steven Kazlowski / Polar bear (Ursus maritimus) footprints in the snow along a barrier island during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, Alaska. October 2009
01313262
Steven Kazlowski / Polar bear (Ursus maritimus) portrait of a juvenile male playing in the slushy freezing water, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, Alaska.
01263435
Steven Kazlowski / Polar bear (Ursus maritimus) playing with wing mirror and looking through window of a tundra buggy, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, October 2005
01263430
Steven Kazlowski / Polar bear (Ursus maritimus) looking through window of a tundra buggy, with paws against the glass, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, October 2005
01263429
Steven Kazlowski / Polar bear (Ursus maritimus) trying to bite window of a tundra buggy, with paws against the glass, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, October 2005
01263426
Steven Kazlowski / Polar bear (Ursus maritimus) looking into tundra buggy window, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, October 2005
00438286
Ingo Arndt / Caribou (Rangifer tarandus) herd crossing a Kongakut River during summer migration, Arctic National Wildlife Refuge, Alaska
00438287
Ingo Arndt / Caribou (Rangifer tarandus) pair crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska
00438282
Ingo Arndt / Caribou (Rangifer tarandus) bull crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska
00438283
Ingo Arndt / Caribou (Rangifer tarandus) mother and calf crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska
01241963
Steven Kazlowski / Pair of Arctic foxes (Vulpes / Alopex lagopus) one adult in its winter coat and one pup in its summer coat, play vigorously on the pack ice, 1002 area of the Arctic National Wildlife Refuge, Alaska, O...
01241976
Steven Kazlowski / An adult Arctic fox (Vulpes / Alopex lagopus) resting on a snow drift, early autumn, 1002 area of the Arctic National Wildlife Refuge, Arctic coast, Alaska, October 2008
01241956
Steven Kazlowski / Two Arctic foxwa (Vulpes / Alopex lagopus) play on pack ice off the Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska, October 2008
01241969
Steven Kazlowski / Arctic fox (Vulpes / Alopex lagopus) red faced from feeding on a whale carcass, 1002 area of the Arctic National Wildlife Refuge, Alaska, October 2008
01241952
Steven Kazlowski / Arctic fox (Vulpes / Alopex lagopus) adult scavenges for food under the snow, 1002 area of the Arctic National Wildlife Refuge, Arctic coast, Alaska, October 2008
01241975
Steven Kazlowski / Arctic fox (Vulpes / Alopex lagopus) resting on a snow drift, early autumn, 1002 area of the Arctic National Wildlife Refuge, Arctic coast, Alaska, October 2008
01241968
Steven Kazlowski / Polar bear (Ursus maritimus) cub chases an Arctic fox (Vulpes / Alopex lagopus) on the pack ice to practice its hunting skills, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska,...
01241901
Steven Kazlowski / Polar bear (Ursus maritimus) two years, plays with a spring cub on newly formed pack ice along the Arctic coast, Arctic National Wildlife Refuge, Beaufort Sea, Alaska, October 2008
01241869
Steven Kazlowski / Sun setting as a blizzard freezes the landscape outside the Inupiaq village of Kaktovik, Barter Island, 1002 area of the Arctic National Wildlife Refuge, Alaska, October 2008
01241892
Steven Kazlowski / Spring cub Polar bear (Ursus maritimus) jumping from newly forming pack ice, Arctic coast, Arctic National Wildlife Refuge, Beaufort Sea, Alaska, Autumn, October 2008
01241894
Steven Kazlowski / Two Polar bear (Ursus maritimus) spring cubs playing in and around newly forming pack ice along the Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, Autumn, Octobe...
01241890
Steven Kazlowski / Two Polar bear (Ursus maritimus) spring cubs play in and around newly forming pack ice along the Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, Autumn, October 2...
01241885
Steven Kazlowski / Large two year Polar bear (Ursus maritimus) plays with a chunk of ice in the slushy freezing waters along the Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, Autu...
01241887
Steven Kazlowski / Two Polar bear (Ursus maritimus) spring cubs play vigorously on newly forming pack ice along the Arctic coast, Arctic National Wildlife Refuge, Beaufort Sea, Alaska, Autumn, October 2008
01241883
Steven Kazlowski / Curious subadult Polar bear (Ursus maritimus) tagged 300-400 lb. along the Arctic coast during the autumn freeze up, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, October 200...
01241896
Steven Kazlowski / Two Polar bear (Ursus maritimus) spring cubs playing in and around newly forming pack ice along the Arctic coast, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, Autumn, Octobe...
01241893
Steven Kazlowski / Polar bear (Ursus maritimus) spring cub jumping across newly forming pack ice, Arctic coast, Arctic National Wildlife Refuge, Beaufort Sea, Alaska, October 2008
01241906
Steven Kazlowski / Young Arctic fox (Vulpes / Alopex lagopus) its coat turning from summer brown to winter white, walking along the Arctic coast in search of food, 1002 area of the Arctic National Wildlife Refuge, Alask...
01220714
Steven Kazlowski / Polar bear (Ursus maritimus) pair surfing in coastal waters off the Arctic National Wildlife Refuge, Alaska, Beaufort Sea
01220754
Steven Kazlowski / Polar bear (Ursus maritimus) curious cub stands on newly formed autumn pack ice, off Barter Island the the Arctic National Wildlife Refuge, Alaska
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
01194016
Steven Kazlowski / Polar bear (Ursus maritimus) cub rolling around on the pack ice, holdind its head. Arctic National Wildlife Refuge, Alaska
01194020
Steven Kazlowski / polar bear, Ursus maritimus, polar bear on ice and snow, 1002 coastal plain of the Arctic National Wildlife Refuge, 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
01142147
Steven Kazlowski / Polar bear {Ursus maritimus} walking, Coastal plain of the Arctic National Wildlife Refuge, Alaska.
01142155
Steven Kazlowski / Polar bear {Ursus maritimus} at truck window, mouth open Coastal plain of the Arctic National Wildlife Refuge, Alaska. Note black tongue
01142146
Steven Kazlowski / Polar bear {Ursus maritimus} playing with a piece of meat, Coastal plain of the Arctic National Wildlife Refuge, Alaska.
01142167
Steven Kazlowski / Polar bear {Ursus maritimus} mother and cub silhouetted at sunset, Coastal plain of the Arctic National Wildlife Refuge, Alaska.
01142158
Steven Kazlowski / Polar bear portrait {Ursus maritimus} Coastal plain of the Arctic National Wildlife Refuge, Alaska.
01142120
Steven Kazlowski / Polar bear {Ursus maritimus} baring teeth at truck window, seen from inside vehicle, Coastal plain of the Arctic National Wildlife Refuge, Alaska.
00600026
Matthias Breiter / Caribou (Rangifer tarandus) calf running on the tundra, Arctic National Wildlife Refuge, Alaska
