I've been looking into the possibility of keeping guineafowl for insect control and possibly as a food source. They'd be easier to care for than chickens, and I've heard they do less garden damage than chickens.
But unlike chickens, they can fly, and my garden does have a very good fence, sooo... guineas could get into it, but chickens could not. I'm still thinking of the guineas because they might hold up better against our coyote problem (since they can fly) and I don't really have the space for a coop and run (guineas are happier free range, with nighttime shelter only).
Anyone have any ideas how *much* garden damage they're likely to do?