Life Span of a dog: Usually longer than 10 years, although very large breeds and very small ones tend not to live so long except Chihuahua which is the smallest dog in the world. Longest-lived dog on record was over 27 years. Species of wild dog include African hunting dog, bush dog, and maned wolf. Australian Cattle Dog, A Chow Mix, And a Chihuahua are the longest living dog breed in the world.
Lifespan Of Dog