Watchful, aloof, imposing, and intimidating: The ancient Tibetan Mastiff is the guardian dog supreme. These densely coated giants are mellow and calm around the house, sweetly devoted to family, and aloof and territorial with strangers.
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Founded in 1884, the AKC is the recognized and trusted expert in breed, health and training information for dogs. AKC actively advocates for responsible dog ownership and is dedicated to advancing dog sports.