Searching for German Shepherd puppies? German Shepherd has long been considered one the smartest and most trainable types of dog. They are frequently used as police dogs, service dogs and search and rescue dogs, and in the military. That is because they truly excel at activities such as obedience, tracking and agility. The GSD has a strong willingness to learn, a drive to have a job to do. These dogs can be energetic, playful, courageous and protective. It is very important that you socialize your German Shepherd with people and animals at a young age, unless your getting it strictly as a guard dog. The German Shepherd is an active and intelligent dog. He must be kept busy learning, playing, and working. Daily exercise, both physically and mentally. If left alone they can become anxious or bored, and are likely to express their worry by barking, chewing, and digging. German Shepherds are suspicious of strangers. They have a reputation for being great watch dogs.