Many behavior issues aren’t obedience problems. Car-chasing in Border Collies is one of them. What most people don’t know is that Border Collies don’t chase cars because they’re anxious, bored, or "in pain." They chase because their instinct tells them to stop the movement. Border Collies were bred to control movement - to move and stop sheep. And even without sheep, that instinct doesn’t disappear. In the city, the biggest, fastest “runaway sheep” is a car. So a car passes, and your dog erupts