DOUG ALLAN / SCIENCE PHOTO LIBRARY DOUG ALLAN / SCIENCE PHOTO LIBRARY
Arctic fox (Alopex lagopus) resting in the snow. Its white coat develops during the autumn months to provide camouflage and warmth during the bitter winter. During the summer months its fur is thinner and a blue/grey colour. The Arctic fox has small ears and a short nose, which prevent excess heat loss in freezing conditions. It is an opportunistic animal, feeding on anything it can find, including rodents, carrion, berries and refuse. It makes dens and breeds in snow-free areas in summer, and may travel hundreds of kilometres to reach its winter hunting grounds. Photographed on the Svalbard archipelago, Norway.
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