Better known for its bravery is the German Shepherd Dog, commonly called GSD among the dog circles. They are one of the smartest dog breeds existing, ranking number three according to the book “The Intelligence of Dogs“ written by S. Coren. This ranking goes through 200 different dog breeds and covers a range of cleverness markers. Recently the breed has been a common police and military service dog, associating their human partners into action and shielding them in the line of duty. Many cities such as, Ohio and Columbus recognized one of their own service dogs for jumping into a frozen river to catch a person who had killed
his partner. These dogs are true example of working breed. They are great hiking companions and take pleasure in many levels of intelligence.