Boston Terriers are known to make good watchdogs. Although they are small in size, they have a big personality and are very protective of their families.

Boston Terriers are intelligent and alert, which makes them excellent at keeping an eye out for any potential threats. They will bark to alert their owners if they sense any danger, making them an effective deterrent to would-be intruders.

In addition to their watchdog abilities, Boston Terriers are also loyal, affectionate, and great companions. They are known for their friendly and playful nature, and they get along well with children and other pets.

Overall, Boston Terriers are a great choice for anyone looking for a loyal and protective watchdog, as well as a friendly and loving companion.