Photo shows an arctic fox of the blue color morph drinking water on Ellesmere Island, Canada, in this undated picture. (Photo/Agencies)
Norwegian researchers that this young female arctic fox, shown in this photo, has been tracked walking from northern Norway to Canada's far north, a distance of 4,415 kilometers (2,737 miles), via Greenland in 76 days.
Photo shows a polar fox fitted with a satellite tracking collar in Krossfjorden, Svalbard, a Norwegian Arctic archipelago, on July 29, 2017. (Photo/Agencies)
Norwegian researchers that this young female arctic fox, shown in this photo, has been tracked walking from northern Norway to Canada's far north, a distance of 4,415 kilometers (2,737 miles), via Greenland in 76 days.
An arctic fox of the blue color morph is pictured in this camera-trap photo taken in Svalbard, Norway, July 23, 2018. (Photo/Agencies)
