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How did dogs get to the Americas? An ancient bone fragment holds clues – Phys.org

The history of dogs has been intertwined, since ancient times, with that of the humans who domesticated them.

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The history of dogs has been intertwined, since ancient times, with that of the humans who domesticated them.
But how far back does that history go in the Americas, and which route did dogs use to enter this part of the world?
A new study led by the University at Buffalo provides insight into these questions. The research reports that a bone fragment found in Southeast Alaska belongs to a dog that lived in the region about 10,150 years ago. Scientists say the remainsa piece of a femurrepresent the…

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