1. Attention-Seeking Barking: Higher-pitched, with your dog looking directly at you.
2. Anxious Barking: Higher-pitched and continuous.
3. Alert or “Watchdog” Barking: Typically lower-pitched and often leads your dog to the door or toward the source of the disturbance.
4. Distance-Increase Barking: Lower-pitched barking meant to create space from a person, place, or thing—often paired with moving back and forth toward the perceived threat.
5. Frustration or Boredom Barking: Higher-pitched barking caused by lack of exercise or mental stimulation.