Australian Shepherds, also known as Aussies, are popular dogs thanks to their unique coloring, mesmerizing eyes, and trainability.  However, this breed is also one of the most commonly abandoned, due to its high energy levels.  Is an Australian Shepherd right for you? Temperament The Australian Shepherd is highly energetic, as well as highly intelligent.  This breed requires a job to perform, whether that involves learning new tricks, herding animals, running with humans, or any other outlet that provides both mental and physical stimulation.  Other traits of the Aussie include a loving, loyal demeanor, as well as being adaptable and protective. Size, Coloring, and Upkeep Australian Shepherds are medium-sized dogs, with males weighing 50 – 65 lbs and females weighing 30 – 45 lbs.  There are four colors and three markings recognized by the American Kennel Club, which are black, blue merle, red, and red merle.  Markings can be tan points,...