Ancient Dogs Migrated to the Americas Far Later Than Expected

January 8, 2015 8:31 PM

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Our ancient ancestors first domesticated dogs thousands of years ago. Now, researchers are taking a closer look at the history of our canine companions, and have found that dogs may have first successfully migrated to the Americans only about 10,000 years ago, which is thousands of years after the first human migrants crossed a land bridge from Siberia to North America.

Unlike their wild wolf cousins, ancient dogs learned to tolerate human company and benefitted from the association. They gained access to new food sources, enjoyed the safety of human encampments and were able to travel and spread with humans. Dogs, in turn, became beasts of burden and sometimes wer...

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