For 10,000 years, dogs have been man's best friend and has been breed from the wolf to perform a myriad of tasks over the years. But which breed is the least like it's ancestor, the wolf? That's why we're counting down the top 10 most extreme dog breeds. Greyhounds can reach speeds that a wolf can only dream of but the St. Bernard is a real gentle giant. Discover that some dogs can really be sheep in wolve's clothing when dogs are taken to the most extreme.moreless
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