Bred for guarding royalty and nobility in feudal Japan, this courageous and alert breed is naturally suspicious of strangers.
It is a favorite breed of police and military K-9 units for its agility, search and rescue abilities and trainability.
The bullish looks of this large breed can be intimidating to intruders.
Its large size, heavy build, and deep-toned bark help ward off trespassers.
You will need to socialize your German shepherd to avoid fearfulness and nervousness.
Historically, the Doberman pinscher has had a bad rap as an aggressive dog breed.
They are large, strong, and courageous working dog that originated in Hungary to guard livestock and property.
Historically a hunting dog for large game and lions, it has an intense loyalty to its family to protect.
Rotties are usually hesitant toward strangers until the dog verifies the person poses no threat.
This Tibetan guard dog protected caravans of people and herds in the Himalayas against wolves and snow leopards.