well - our cats are barn cats - not to say that they never come indoors - but they are primarily responsible for pest control. They have cat chow available to them at most times (I would say at all times but we only check the bowls a couple times a day - and sometimes they might possibly go as much as 12 hours without kibble if it were to be emptied immedietly after filling.) guess what? they PREFER hunting. and there is really no way to stop them - given that we rely on them for exactly that.