They live in the USA and are in a rare ; guardian group . The use for them today is a hunting dog , a watch dog , and a guardian .Their life span is about 11 to 12 years . Their height is 20 to 27 inches and 60 to 100 pounds . These dogs helped farmers every day by driving and catching hogs and cattle : also being a great gaurdian . It is loyal and confident . They need to be socialized at a young age . They can be protective of their house so if the dog does not now the human it might growl and it might be aggresive with other dogs .