Chow Chows are aloof and often wary of strangers. They need proper socialization early on.

Akitas are known for their loyalty but can be reserved and suspicious of strangers.

Shar Peis tend to be standoffish and can be aggressive if not socialized properly.

Rottweilers are protective and may not warm up to strangers quickly. Training is crucial.

Dobermans are alert and often reserved with strangers. Early socialization helps.

Bullmastiffs are strong and protective, often wary of unfamiliar faces.

These large dogs are very protective and can be suspicious of strangers.

German Shepherds are loyal and protective, often cautious around strangers.