17. Jack Russell Terrier
The Jack Russell Terrier is renowned for its boundless energy and zest for life, often living up to 16 years. Their lively nature and strong hunting instincts keep them constantly on the move, which supports their excellent health. Jack Russells require regular exercise and mental stimulation to thrive, making them ideal for active owners. Their robust constitution and spirited personality ensure that they remain vibrant and engaging companions throughout their long lives.