Will Dogs Become Territorial?

For many dogs, territorial displays are a normal part of their behavioral repertoire. While any dog may show territorial responses, certain breeds of dogs have been bred for guarding and watchful behaviors. ... The longer the person stays within the territory, the more aggressively aroused the dog may become.

How long does it take for a dog to become territorial?

Signs of Dog Territorial Behavior

This type of aggression usually first arises around 8 to 10 months of age. Without appropriate mediation, territorial behavior will escalate over time as your dog practices the behavior.

Why is my dog becoming more territorial?

Aside from instincts, there are several factors that can cause a dog to display territorial behaviors. The lack of early socialization, sexual maturation, environmental factors, inbreeding, pack mentality, or an underlying medical condition can all lead to aggressive territorial behaviors.