12 dog breeds first-time owners should think twice about

8. Tibetan mastiff

Tibetan mastiffs are not a good dog for first-time dog owners. In fact, they are not a good dog for most dog owners. “It takes a certain type of person to live with a Tibetan mastiff,” according to the AKC, as the breed is notoriously independent and highly protective, which means that even a highly trained Tibetan mastiff will not always come when called. Their large size, combined with their watchful and independent personalities, make them a hard dog for the average owner to control, let alone a novice.

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