Have you ever seen a jaw bone of a bear? How about a jaw bone of a 26,000 year old brown Bear's jaw bone? Before now the oldest bear fossils were found south of Yukon where the fossils were 12,000 to 13,000 years old. It is said that brown bears ancestors headed from Asia to Alaska and Canada's Yukon between 50,000 and 100,000 years ago Those traveling south were blocked by ice sheets that covered parts of North America 13,000 to 23,000 years ago.
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