![]() They probably came with early human settlers across the Bering land bridge during the last ice age. The earliest dogs in the Americas were introduced at least ten thousand years ago. Where do the dogs that pull sleds in the North American arctic come from?ĭogs and their closest wild relatives wolves, both came to North America from Eurasia. They were spread rapidly across the North American arctic by the Inuit, and today are the preferred sled dogs for all the people who live in that region. Y: The researchers discovered that arctic sled dogs are descended from a type of dog introduced by the Inuit people when they migrated into the North American arctic from Siberia just two thousand years ago. They discovered that arctic sled dogs have a distinctive ancestry. They took some samples from living animals, and others from archeological remains up to four thousand five hundred years old. In 2019 a large international team of genetic researchers published a study based on analyzing the DNA of nine hundred twenty-one North American dogs and wolves. ![]() How could scientists hope to sort out which modern arctic dog breeds came from which ancient ancestors? They may have brought distinctive breeds of dogs with them.ĭ: With all those different migrations, it sounds like a complicated mess. But since then, there have been many migrations of genetically distinctive human groups into the North American arctic from Asia. Y: Don, dogs and their closest wild relatives wolves, both came to North America from Eurasia. D: Yaël, I’ve been wondering where the dogs that pull sleds in the North American arctic come from.
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