All that is been said so far is right on. These little guys hunt anything they come across. Not sure how they are to train on a single animal. They would find a hog but also deer, rabbit, etc. They bark at any scent they come across and will try to find what left it. If you don't like a loud, mouthy dog they aren't for you. We used them on hogs but had to quit. They have no idea how small they are and we got tired of broken legs and cut up dogs. They are very friendly and personable and also HIGHLY active dogs.