This carnivorous animal, which is white in winter and brown in summer, lives throughout the Arctic and can trace its roots to an extinct animal that lived in the Himalayas. Its Swedish name is Fjllrven.
Vulpes qiuzhudingi is an extinct species of fox found in the Himalayas. 
 The species is believed to be the ancestor of "Vulpes lagopus", the modern Arctic fox, which would support the "Out of Tibet" theory: namely, that a number of current arctic species trace their ancestry to species originally from the Tibetan Plateau. 
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 has a deep thick fur which is brown in summer and white in winter. 
Fjllrven (] , Swedish for Arctic fox) is a Swedish company specialising in outdoor equipmentmostly clothing and rucksacks. Fjllrven was founded in 1960 by ke Nordin (19362013). 
