Thailand12-13 yr lifespan

The Thai Ridgeback is a medium-large primitive dog from Thailand, recognized for its short coat, athletic build, and ridge of hair along the back.

Tibet10-12 yr lifespan

The Tibetan Mastiff is a large Himalayan guardian breed with a heavy double coat, strong night-watch instincts, and independent temperament.

Tibet12-15 yr lifespan

The Tibetan Spaniel is a small Tibetan companion and alert dog, known for a silky double coat, watchful nature, and catlike independence.

Tibet15-16 yr lifespan

The Tibetan Terrier is a medium Tibetan companion and watchdog breed, not a true terrier, with a profuse coat and distinctive snowshoe feet.

The Tornjak is a large Bosnian-Herzegovinian and Croatian livestock guardian with a weather-resistant coat, calm confidence, and protective instinct.

Japan10-12 yr lifespan

The Tosa is a large Japanese mastiff-type breed with a short coat, calm dignity, and serious ownership responsibilities.

United States13-15 yr lifespan

The Toy Fox Terrier is a tiny American toy terrier with a smooth white-dominant coat, sharp intelligence, and lively companion personality.

Portugal9-13 yr lifespan

The Transmontano Mastiff is a giant Portuguese livestock guardian from Tras-os-Montes, bred to protect flocks from wolves in rugged country.

Hungary10-14 yr lifespan

The Transylvanian Hound is a Hungarian scenthound with a black-and-tan coat, strong stamina, and a determined hunting style.

United States10-12 yr lifespan

The Treeing Tennessee Brindle is a medium American treeing hound known for brindle coat, keen scent work, and a strong chop or bawl voice.

United States12-13 yr lifespan

The Treeing Walker Coonhound is a large American coonhound with a tricolor coat, fast trailing style, and powerful treeing voice.

Austria12-14 yr lifespan

The Tyrolean Hound is a medium Austrian mountain scenthound with red or black-and-tan coat varieties and strong tracking drive.