Predatory Drift is a sudden, and drastic change in a dog's demeanor that is characterized by behaviors associated with hunting small prey. 

The term is most often used to describe a medium to large dog who has suddenly and uncharacteristically targeted a smaller dog as prey (dinner).  

Predatory Drift is NOT Aggression, but it can mean injury or death for small dogs.

Predatory Drift happens when the larger dog's instinct to hunt are triggered. 

These instincts can be triggered when play escalates or gets too much like the real thing (an out of control chase game).  It can happen when a small dog gets scared or injured and squeals or wriggles in a way that makes them look like prey (dinner), Predatory Drift can happen just because thesize difference says, "You are comparatively bite-sized, or move like something that is bite-sized, and I am a canine predator." 

The most alarming fact about Predatory Drift is that it can happen even with well-behaved, well-socialized, playful dogs who play well and often with no aggression, and no fights. 

Dogs who are triggered into predatory drift, may or may not have ever been in a dog fight, and may or may not be generally well-behaved and obedient.  There is NO protection against predatory drift.  It is not a good dog/bad dog problem. 

Predatory Drift is not about how brave, strong, feisty, or fearless the small dog acts.  Predatory Drift is not about how well your medium or large, or extra large dog plays, listens to you, or how many times they have met, played with or been around a small dog.

Predatory Drift can even happen between two dogs that know each other well and have lived, played, and or known each other for years.  In the right situation, a sudden shift happens and the predatory sequence (like dominoes falling) is triggered and completed with lightening fast speed.

While it is not a problem seen every day, all it takes is the slightest trigger -an injury, a fight, a response to something startling or scary.  Predatory Drift is a SIZE MATTER! It usually involves a grab and shake, which instantly breaks the small dog's neck.  There is no time to react.  This in not a fight, it does not escalate.  There is a trigger and then it is over.

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