Sketch of Arctic fox skull.
Date 1956
Source James W. Bee, et al. (1956) Mammals of northern Alaska on the Arctic slope
Author James W Bee and E. Raymond Hall
Source: https://commons.wikimedia.org/wiki/File:Mammals_of_northern_Alaska_on_the_Arctic_slope_(1956)_Alopex_lagopus_inuitus_skull.png

The Arctic fox (Vulpes lagopus), also known as the white fox, polar fox, or snow fox, is a small fox native to the Arctic regions of the Northern Hemisphere and common throughout the Arctic tundra biome. It is well adapted to living in cold environments. It has a deep thick fur which is brown in summer and white in winter.