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The Estrela Mountain Dog are large, agile dogs that make excellent guard dogs; they are very loyal to their masters and wary of strangers. © Nik Ryabukhin/Shutterstock.com
The Estrela Mountain Dog are large, agile dogs that make excellent guard dogs; they are very loyal to their masters and wary of strangers. © Joao Marques/Shutterstock.com
The Estrela Mountain Dog are large, agile dogs that make excellent guard dogs; they are very loyal to their masters and wary of strangers. © Oliver OB/Shutterstock.com
The Estrela Mountain Dog are large, agile dogs that make excellent guard dogs; they are very loyal to their masters and wary of strangers. © Joao Marques/Shutterstock.com
Two months old Estrela Mountain Dog puppy.It is a large breed of dog from the Estrela Mountains of Portugal bred to guard herds and homesteads.It is"one of the oldest breeds in the Iberian Peninsula. © ThomasLENNE/Shutterstock.com
The Estrela Mountain Dog are large, agile dogs that make excellent guard dogs; they are very loyal to their masters and wary of strangers. © Eric Isselee/Shutterstock.com