Arctic Fox Vulpes lagopus (formerly Alopex lagopus)

Arctic Fox - winter coat, cub with one blue eye, one brown
Arctic Fox - summer coat
The Arctic Fox, also called, White and Polar Fox, lives within and around the Arctic Circle across Eurasia, Greenland, Iceland and North America. Its thick coat is white in winter and grey in summer to give it camouflage against the landscape.
Arctic Fox
Arctic Fox - summer tail