The Australian Shepherd, often known simply as the “Aussie”, is a medium-sized breed of dog that was, despite its name, developed on ranches in the Western United States during the 19th century.
Life span: 13 – 15 years
Temperament: Affectionate, Intelligent, Protective, Good-natured, Active
Colors: Merle, Black, Red Merle, Red tricolor, Black tricolor, Blue Merle, Red
Weight: Male: 55–70 lbs (25–32 kg), Female: 35–55 lbs (16–25 kg)
Height: Male: 20–23 inches (51–58 cm), Female: 18–21 inches (46–54 cm)