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Dogs with protective or territorial aggression protect people or places regardless of whether or not there is an actual threat. Their response is inappropriate and potentially dangerous. Protective (directed at protecting people, other animals, and objects) and territorial (directed at protecting their house, yard, or room) behavior is appropriate in actual threats, such as attacks or break-ins, but is not appropriate when a threat does not exist. Protective or territorial aggression may be di...Read the full article