Change: generally aloof towards strangers. A well-socialized American Mastiff is friendly yet sensitive and alert to changing situations. They are not aggressive by nature but will defend their family if necessary. They respond to threats with judicious warnings and courageous action if needed. Health Issues & Life Expectancy The   View changes from previous version. (Word count: 694)

Change: The American Mastiff is generally a healthy breed and has been bred specifically to have less health problems and a longer lifespan than other Mastiff breeds. The typical lifespan of the American Mastiff is about 10-12 years. AKC Group Additional ResourcesAmerican Mastiff FamilyAmerican Mastiff Family ForumAmerican   View changes from previous version. (Word count: 652)

Change: mastiff. Share American mastiff rescue stories. Know about these dogs? Click EasyEdit to add info anywhere on this page. Short History of the Breed Physical Description & Size Temperament Dog Care (exercise, grooming, diet) Health Issues & Life Expectancy AKC Group Additional Resources Your Online Community for Purebred Dogs!   View changes from previous version. (Word count: 53)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 47)

Change:  to add informationinfo anywhere on this page--and photos, too!page. Short History of the Breed:Physical Description & Size:Temperament:NeedsDog Care (exercise, grooming, living conditions, diet):Health Issues,Issues & Life Expectancy:AKC Group:Links:Additional Resources:Click "EasyEdit" and start adding relevant Links for this breed.   View changes from previous version. (Word count: 47)

Change: Created by wetpaint Feb 8 2006, 12:10 PM EST for: Create