Laurent Geslin / Sled dog leaping into the air, Canada
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Steve Downer / Red fox (Vulpes vulpes) resting in a dog kennel, Birmingham, England, UK, February.
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Bryan and Cherry Alexander / At a Selkup hunter's winter camp in the forest, a Laika dog has an 'igloo' for shelter, Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012
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Ernie Janes / Two Yellow Labrador retriever puppies looking out from blue kennel, UK
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Ernie Janes / Yellow Labrador retriever puppy looking out from blue kennel, UK
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Ernie Janes / Two Yellow Labrador retriever puppies looking out from blue kennel, UK
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Ernie Janes / Two Yellow Labrador retriever puppies looking out from blue kennel, UK
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Ernie Janes / Jack russell terrier looking out from kennel, with ball,
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Bryan and Cherry Alexander / Old buildings and dog kennels at old polar station at Tichaya Bay. Hooker Island, Franz Josef Land, Russia, 2004.
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Neil Lucas / Dog kennels outside Shackleton's Nimrod Hut, frozen in time from the British Antarctic Expedition 1907, Cape Royds, McMurdo Sound, Antarctica, November 2008
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Neil Lucas / Wooden packing cases and dog kennels outside Shackleton's Nimrod Hut, frozen in time from the British Antarctic Expedition 1907, Cape Royds, McMurdo Sound, Antarctica, November 2008
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Jane Burton / Sable Border Collie pup, 11 weeks old, chewing on toy in his bed in puppy crate, with toys and a chew