behavior
Predatory drift
How to recognize the shift
- Chase intensifies and stops looking playful (no bows, no reciprocal role reversal)
- Grip locks on and doesn't release when the smaller dog cries
- Play growl becomes a silent, focused chase
- Multiple dogs converge on one (mobbing)
Prevention
- Do not mix dogs across large size gaps at daycare or dog parks (industry rule of thumb: no more than 25 lb difference for off-leash play)
- Interrupt chases every 10–30 seconds — call the dogs apart, reset
- Watch for the moment reciprocal play stops
- Small dogs and puppies are safer with size-matched playmates
Why it matters
The dog that drifts is not 'aggressive' or 'bad' — it's a normal dog whose predatory motor pattern got activated. Understanding this is why reputable daycares split by size, and why 'small dog running/screaming near big dog' is one of the highest-risk configurations at any dog park.
Frequently asked questions
- Is predatory drift a training failure?
- No. It's a wired behavior sequence, not a learned one. Prevention is structural (size matching, supervision, breaks), not obedience-based.