8,100-year-old canine mandible (IMAGE)

University of Arizona

8,100-year-old canine mandible

Caption

Researchers unearthed this 8,100-year-old canine jawbone in interior Alaska in June 2023. The bone, along with a 12,000-year-old leg bone discovered at a nearby site, are the earliest evidence that ancestors of today's dogs formed close relationships with people in the Americas.

Credit

Courtesy of Zach Smith

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