The Jack Russell Terrier is a small, energetic dog breed known for its intelligence and playful nature. Originally bred in England for fox hunting, these dogs are characterized by their strong hunting instincts and high energy levels. They typically weigh between 13 to 17 pounds and stand about 10 to 15 inches tall. Their short, smooth coat can be predominantly white with black or brown markings. These terriers are highly trainable and thrive on mental and physical stimulation. They require regular exercise to keep them happy and healthy, making them great companions for active individuals or families. Their friendly and affectionate demeanor makes them popular pets, but they can be stubborn, requiring consistent training and socialization.