I am looking for a good breed of duck for insect control. I have a pond, will they mostly stay in that area? I would prefer a non-flighted breed as well. I have a coop that they could be locked in at night. Can you really train them to go inside before sunset? I have tried chickens and guinea fowl and neither is working for me free-range anymore. I had chickens for nine years, but had to lock them up this year due to a new neighbor planting a vegetable garden right on the property line. The guineas are leaving the neighbors garden alone so far, but they do go over in that direction and I don't want my birds to get blamed for any plant damage. Would ducks be a better option? Can I keep them fenced in my pastures with my livestock without fear of them escaping? I do have geese right now, they never get out of the pasture fence, but they don't eat bugs!