As dusk breaks on Kangaroo Island, Paul Jennings unleashes the latest weapon in the war against feral cats. It is a battle as old as time, but this time, the dogs have technology on their side. Bluetick coonhounds, which are bred in the United States for their tracking skills, are being trained to help eliminate the invasive predators. "The bloodlines have been developed there for trailing game," Mr Jennings said. "So, things like raccoons, bobcats, mountain lions and bears.