Dogs bark at guests for several common reasons. Understanding the cause helps you address the behavior effectively. Reasons your dog barks at guests Alerting / territorial behavior: Dogs often bark to alert their family to someone’s arrival. This is a natural territorial response—your dog perceives a new person near their home and signals watchfulness. Fear or anxiety: If a dog feels uncertain or frightened by strangers, they may bark to keep the perceived threat at a distance. Body language like tucked tail, pinned ears, or cowering often accompanies fear barking. Excitement and overstimulation: Some dogs bark because they’re excited to see someone. These barks tend to be high-pitched, jumpy, and accompanied by wagging and jumping. Frustration / barrier frustration: When
