Question: Worker: Which 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?
Sentence (from "Vulpes qiuzhudingi"): The fossils, dating from between 5.08 and 3.60 million years ago, were found in the Zanda Basin and Kunlun Mountains of Tibet.
Relevant evidence: No