July 10, 2019
A polar fox is fitted with a satellite tracking collar in Krossfjorden, Svalbard, a Norwegian Arctic archipelago, on July 29, 2017, as part of research conducted by the Norwegian Polar Institute. Norwegian researchers said July 2, 2019, 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. (Elise Stroemseng/Norwegian Polar Institute via AP)
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Norwegian researchers say an arctic fox walked more than 4,415 kilometers (2,737 miles) to go from northern Norway to Canada's far north in four months.