For bushing,hunting above or in the ground you will need drive coupled with intelligence and nose. Without good drive and the nose to keep up with that drive you wont get far hunting anything from rabbits to foxes. When you see a dog with the scent of a rabbit not far away and all it does is plod up and down and clings to the scent not quite sure what to do with it and often going back on the heel and pondering some more,then your chances of a catch or flush are low.A good busher would do like a good hound and drive forward on the scent with confidence and hopefully panic the rabbit into indec