> Wolves and wild dogs are large, by modern dog standards, and don't live very long. Typical lifespan of a wolf in captivity is ~15 yr (up to 20 in some cases)

> Wolves and wild dogs are large, by modern dog standards, and don't live very long. Typical lifespan of a wolf in captivity is ~15 yr (up to 20 in some cases), which is excellent for a "dog" that size.