Chihuahuas often bond to a single person. Without socialization, they tend to be defensive toward strangers and strange dogs.
Chihuahuas
Historically used as protection dogs, Dobermans can show aggression if not trained using reward-based techniques.
Doberman Pinscher
A strong guardian breed inclined to aggression against strangers if not properly trained and managed.
Rottweiler
Poorly bred nervous German Shepherds may react defensively in everyday situations without attentive handling.
German Shepherd
Known for high energy and boisterousness, Dalmatians need ample exercise and training lest their rowdiness progresses to snapping.
Dalmatian
Another energetic working breed requiring sufficient activity and secure confinement. Their high prey drive compels them to chase smaller animals.
Siberian Husky
Chow Chows tend to intensely bond with one or two people. Without early socialization, aggression can develop toward kids, strangers and other dogs.
Chow Chow