German Shepherd Dog is one of the most intelligent dogs and their versatility and excellence in the execution of all kinds of activities obtained his eternal position in the Hall of Fame in monitoring, research and rescue, military, such as detectors and dogs even visit for people who are blind or visually impaired functions. German shepherd dog is a quick study and because of their great innate intelligence are very easy to train. These dogs are active, alert and like many other great intelligence of animals and the active nature of the German shepherd dog must be constantly challenged and stimulated both physically and mentally to avoid becoming a nuisance. That said, this German shepherd dog breed makes a great companion and is both brave and loyal. Although some dogs tend to be a bit aloof and generally careful, it makes this breed of dog that got along well with children for a great family pet and most often. Sometimes some dogs can become a bit dominant with children, which can manifest as the German shepherd dog trying to get them; based on their pedigree breeding. German Shepherd dogs have an excellent capacity for surveillance and are often wary of strangers and other dogs. Early socialization is a must if your German shepherd dog will be around other animals. Regarding climatic tolerance these dogs are very well adapted to cold moderate, and moderate heat, but the ends do not fall in all directions too.