Lots of dogs are protective, particularly with their own family. Dogs originally bred as working dogs, such as German shepherd dogs, are the most protective.
It can be a problem if they are allowed to become over-protectiuve as they will then become aggressive with outsiders - animals or people.
One of the most protective of dogs is the Italian sheepdog. They will guard more or less anything and are known in Italy for protecting Goats and Sheep against predators including wolves. In Australia they have been used for guarding penguin colonies which were in danger of etinction.
I have attached a link to this question for further information.
The German Shepherd breed is known for being loyal and protective.
Yes, this breed is protective, but with the proper training, aggression shouldn't be an issue.
the welsh springer spaniel is the most uncommon breed in the us
Chihuahua, and shih tzu.
The Most Popular Breed of Dog is the Labrador Retriever.
The Labrador Retriever is the most popular breed of dog as a pet.
mighty dog.
Labrador Retriever is the most popular breed of dog in California.
The Labrador Retriever was the most popular dog breed of 2007.
There is not a specific dog breed that is smarter than any other dog breed in the world than there is in the USA, but the smartest dog breed are poodles.
A Fila Brasileiro.
A Bichon Frise is a small dog breed that is generally regarded as harmless, friendly, and protective of its family. They have a non-shedding coat, making them a good choice for people with allergies or who prefer a low-shedding breed.