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Siberian Huskies racing in the Lake Memorial Race, Tozier Track, Anchorage, Southcentral Alaska, Winter
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View of Polar Bear sow (Ursus Maritimus) with her triplet cubs on the wind swept plains of Wapusk National Park, Manitoba, Canada, Winter, COMPOSITE
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A Polar Bear sow (Ursus maritimus) beds down for a rest with her triplet cubs , Wapusk National Park, Manitoba, Canada, Winter
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One Adult Emperor Penguin Surrounded by Chicks, Snow Hill Island, Antarctica
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Steller's Sea Eagles, Nemuro Channel, Shiretoko Peninsula, Hokkaido, Japan
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Sheep in wintry field, near Broadway, Worcestershire, The Cotswolds, England, United Kingdom, Europe
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Team of dogs return down Cordova Street in downtown Anchorage during the Fur Rondy World Championship Sleddog race in 2011, Anchorage, Southcentral Alaska, Winter
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Sheep graze on snow covered fields at dawn, Exmoor, Somerset, England, United Kingdom, Europe
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A wintry landscape on the Mynydd Epynt moorland, Powys, Wales, United Kingdom, Europe
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Local Alaskans & News Crews view whales trapped by sea ice through a breathe hole near Point Barrow during the 1988 California Gray Whale Rescue, Arctic Alaska, Winter/n
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Sheep waiting to be fed in winter, Lower Pennines, Cumbria, England, United Kingdom, Europe
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Salisbury Cathedral on a frosty winter morning, from across the Water Meadows, Salisbury, Wiltshire, England, United Kingdom, Europe
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Sami people at winter festival, reindeer race, Jokkmokk, Lapland, Arctic Circle, Sweden, Scandinavia, Europe
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Chinstrap penguins (Pygoscelis Antarctica) walking up a glacial ice cap, Half Moon Island, South Shetland Island, Antarctic Peninsula, Antarctica, Polar Regions
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Dog sledding with huskies, Tromso wilderness centre, Norway, Scandinavia, Europe
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People stop along the Seward Highway to photograph a ram Dall sheep along the road, Turnagain Arm, Southcentral Alaska, Winter
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Local Alaskans & News Crews view whales trapped by sea ice through a breathe hole near Point Barrow during the 1988 California Gray Whale Rescue, Arctic Alaska, Winter/n
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Cottage and trees, Torr Head, County Antrim, Ulster, Northern Ireland, United Kingdom, Europe
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Local Alaskans & News Crews view whales trapped by sea ice through a breathe hole near Point Barrow during the 1988 California Gray Whale Rescue, Arctic Alaska, Winter/n
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Local Alaskans & News Crews view whales trapped by sea ice through a breathe hole near Point Barrow during the 1988 California Gray Whale Rescue, Arctic Alaska, Winter/n
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National Park Ranger rests with his dog team on the North Fork of the Koyukuk River at sunset with the Gates of the Arctic in the background, Brooks Range, Arctic Alaska, Winter
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Nathan Sterling and team mushing during the 2010 Fur Rondy Sled Dog Championships, Anchorage, Southcentral Alaska, Winter
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Marvin Kokrine's sled dog team mushing during the 2010 Fur Rondy Sled Dog Championships, Anchorage, Southcentral Alaska, Winter
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Dall sheep ram guards his harem as they feed along the shoulder of the Seward Highway with oncoming traffic in the background, Turnagain Arm, Southcentral Alaska, Winter
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Several adult Bald Ealges perched on driftwood on the shores of Kachemak Bay on the Homer Spit, Alaska
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Twin Polar Bear (Ursus maritimus) cubs snuggle with their mother in the snow, Wapusk National Park, Manitoba, Canada, Winter
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Close up of musher Quinn Iten's dog team running down a hill during the 2010 Iditarod restart in Willow, Southcentral Alaska, Winter/n
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A flock of Mallards walk on an icy pond in Anchorage, Southcentral Alaska, Autumn
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Musher Pat Moon's team running on Long Lake during the 2010 Iditarod restart in Willow, Southcentral Alaska, Winter/n
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Bald eagles gather en masse to pick bits of fish from a commercial fishing net aboard a dragger (also called a stern trawler), Southwest Alaska, Winter
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Musher racing in the Lake Memorial Race, Tozier Track, Anchorage, Southcentral Alaska, Winter
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Close up of musher Allen Moore's lead dogs running on Long Lake during the 2010 Iditarod restart in Willow, Southcentral Alaska, Winter/n
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Musher racing in the Lake Memorial Race, Tozier Track, Anchorage, Southcentral Alaska, Winter
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Annual gathering of Bald Eagles on Homer Spit w/closeup Kachemak Bay Kenai Peninsula Alaska
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A pod of Humpack whales feeding near Benjamin Island in Lynn Canal with snowcovered Chilkat Mountains in the background during Winter in Southeast Alaska, Humpback Whale slaps its flukes on the surface near Benjamin Island in Lynn Canal with the snow covered peaks of the Chilkat Mountains in the background, Southeast Alaska, Winter, COMPOSITE
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National Park Service Ranger loads his dog team into a plane for transport to base camp in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
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Courney Moore and team mushing during the 2010 Fur Rondy Sled Dog Championships, Anchorage, Southcentral Alaska, Winter
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Musher racing in the Lake Memorial Race, Tozier Track, Anchorage, Southcentral Alaska, Winter
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Musher Blake Freking's lead dog near UAA during the 2010 ceremonial Iditarod start in Anchorage, Southcentral Alaska, Winter/n
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A Polar Bear sow (Ursus maritimus) beds down for a rest with her triplet cubs , Wapusk National Park, Manitoba, Canada, Winter
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Bill Kornmuller and team mushing during the 2010 Fur Rondy Sled Dog Championships, Anchorage, Southcentral Alaska, Winter
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