Man's best buddy lives for 10 to 13 years, on average. But the longest-living dog more than doubled that time on Earth.
A pooch who lives to see his or her 20th birthday is considered extremely long-lived. Researchers call these age-defying canines "Methuselah dogs," after the oldest religious figure in the Bible, who lived for 969 years.
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Meet some of the longest-living dogs in recent history. They span various dog breeds. Some have been working dogs, while others have led lives of leisure. But they all defied old age, living their best lives along the way.