Dog have died and half are still alive, ranges from 10 to 13 years. Individual dogs may live well beyond the median of their breed. The breed with the shortest lifespan (among breeds for which there is a questionnaire survey with a reasonable sample size) is the Dogue de Bordeaux, with a median longevity of about 5.2 years, but several breeds, including Miniature Bull Terriers, Bloodhounds, and Irish Wolfhounds are nearly as short-lived, with median longevities of 6 to 7 years. The longest-lived breeds, including Toy Poodles, Japanese Spitz, Border Terriers, and Tibetan Spaniels, have median longevities of 14 to 15
English Toy Terrier (Black & Tan) varieties; Standard and Toy. The ETT is on the UK Kennel Club's list of vulnerable native breeds and great effort is being made to boost the popularity of the breed and develop a viable gene pool. The Kennel Club (UK) has opened the stud book, allowing the North American Toy Manchester Terrier to be re-registered as English Toy Terrier (Black & Tan) provided it is certified to be a Toy and not of the Standard variety. Some owners in Great Britain are against this decision; others see it as a positive way to preserve the breed. English Toy Terrier (Black