Drive to defend the pack (family or handler).
Drive to achieve higher rank in the pack (growling or biting handler when under stress).
Drive to measure physical prowess with rivals (same as rowdy human).
Drive to warn intruders by barking, growling, or biting to stay out of territory (yard or patrol car).
Drive to attack real or imagined danger.
Drive to pursue prey (objects).
Drive to bite/kill prey (refusal to release when playing tug-of-war).
Drive to follow ground disturbance odors (animal tracks or foot prints).
Drive to follow wind borne scents.
Drive to bring prey (objects) to the pack (handler) or yard.
Drive to flee from real or imagined danger/FLIGHT.
Drive to return to territory or pack (handler).
Drive to explore, jumping fences, running off.
Drive for physical contact with pack members.
Drive to move and act (running fence, chewing, digging).
Drive to move and run for long periods at a time.
Drive to socialize with dogs and people.
Drive to follow desires of the pack leader (handler).