Researchers analyzed the dog's mitochondrial genome, and concluded that the animal belonged to a lineage of dogs whose evolutionary history diverged from that of Siberian dogs as early as 16,700 years ago. The timing of that split coincides with a period when humans may have been migrating into North America along a coastal route that included Southeast Alaska.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/dogs/~4/N2i3DTAOzsU

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