20 Dog Breeds That Will Protect You With Their Lives

2. Australian Shepherds Are Tough Ranch Dogs

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Australian Shepherds, or "Aussies," mix playfulness with a serious work ethic. Energetic and intelligent, they thrive when given jobs. Aussies form deep bonds with their families and stay alert to danger. With good training and socialization, they balance protectiveness with friendliness, making them loyal and easy to train.