Chow Chow: Known for their independent and aloof nature, Chow Chows are often wary of strangers.
Rottweiler: Rottweilers are known for their strong guarding instincts. While they are loyal and loving to their families, they can be suspicious and unfriendly towards strangers
Doberman Pinscher: Dobermans are intelligent and protective dogs that can be reserved and alert around strangers.
Akita: Akitas are known for their loyalty to their owners but can be aloof or even aggressive towards strangers.
German Shepherd: German Shepherds are highly protective and can be suspicious of strangers.
Belgian Malinois: Similar to the German Shepherd, Belgian Malinois are highly protective and can be wary of strangers.
Caucasian Shepherd: This large, powerful breed is known for its strong protective instincts.
Bullmastiff: Bullmastiffs are natural guardians and can be reserved or unfriendly towards strangers.